| Lushootseed Skagit | lut-000 | S3gw~L |
| Duwamish | slh-000 | S3gw~L |
| Angaua | anh-000 | s3gw~u |
| Miguel Chimalapa | zoh-002 | S3h37 |
| Maria Chimalapa | zoh-001 | s3h37 |
| Angor | agg-000 | s3h3r3 |
| amarəñña | amh-001 | s"3hay |
| tigrinya | tir-003 | s"3hay |
| amarəñña | amh-001 | s3hay |
| Enapa Woromaipu | pbh-001 | s3hp3n |
| filename extensions | art-335 | s3i |
| Kwaza | xwa-000 | s3i |
| TechTarget file types | art-336 | S3I-Instrument-file-Scream-Tracker-v-3-0 |
| Duvle | duv-000 | s3ire |
| TirkCe | tur-002 | s3jak |
| Algerian Spoken Arabic | arq-000 | S3jra |
| Achang | acn-000 | S3k |
| Jerba | jbn-000 | S3k |
| Japhug Rgyalrong | jya-000 | S3k |
| Totontepec | mto-000 | S3k |
| Beni Snous Western Algerian Berber—ASCII | rif-002 | S3k |
| Tarifit—Beni Iznassen | rif-003 | S3k |
| Tarifit Guelaia | rif-004 | S3k |
| Siwa | siz-000 | S3k |
| Figuig | tzm-004 | S3k |
| Wutun | wuh-000 | S3k |
| Achang | acn-000 | s3k |
| Xiandao | acn-001 | s3k |
| Chontal | chf-000 | s3k |
| Chintāṅ | ctn-000 | s3k |
| Pahouin | fan-000 | s3k |
| fra*sE | fra-009 | s3k |
| Itza | itz-000 | s3k |
| Hach tʼan | lac-000 | s3k |
| Lashi | lsi-000 | s3k |
| Mesem | mci-000 | s3k |
| Mopan | mop-000 | s3k |
| Elseng | mrf-000 | s3k |
| Nabak | naf-000 | s3k |
| kuCɛ́ | ruk-000 | s3k |
| bànà | bcw-000 | s3k3 |
| Nanaj | gld-000 | s3k3 |
| Ranau Lampung Api | ljp-008 | s3k3m |
| Carijona | cbd-000 | s3k3n3r3 |
| Wonie | gdr-012 | s3k3ph~ |
| Elseng | mrf-000 | s3k3s |
| Iron ævzag | oss-003 | S3k"a |
| Apurinã | apu-000 | s3ka |
| Hopilàvayi | hop-000 | s3ka |
| Vaghua | tva-000 | s3ka |
| Pingilapese | pif-000 | s3kai |
| Taroko | trv-000 | s3karabi |
| Mapos | bzh-001 | s3ke |
| Sasak | sas-000 | %s3keq |
| Karenbyu | kvq-000 | s3 kh~o |
| Foqaha | swn-000 | S3ki |
| Gaanda Gabin | gqa-002 | s3ki |
| Metmata | jbn-002 | S3kk |
| Wargla | oua-000 | S3kk |
| Dumi | dus-000 | s3kk3 |
| Avaso Babatana | baa-001 | s3kki |
| Krui Lampung Api | ljp-006 | s3kom |
| Sukau Lampung Api | ljp-009 | s3kom |
| Pokot | pko-000 | s3kon |
| Japhug Rgyalrong | jya-000 | S3k ph~u |
| Maithilī | mai-000 | s3ks |
| Orochon | orh-000 | S3kS3 |
| Poligus Literary Evenki | evn-002 | s3ks3 |
| Kur Urmi | evn-003 | s3ks3 |
| evedȳ turēn | evn-004 | s3ks3 |
| Nanaj | gld-000 | s3ks3 |
| nǚzhēn | juc-000 | s3ks3 |
| Negidal | neg-000 | s3ks3 |
| Negidal Verchovski | neg-001 | s3ks3 |
| Orok | oaa-000 | s3ks3 |
| Oroch | oac-000 | s3ks3 |
| Olcha | ulc-000 | s3ks3 |
| Elseng | mrf-000 | s3ksan |
| Chontal | chf-000 | s3ktok" |
| námetejemi̵naa | bmr-000 | s3ku |
| pʼurhépecha uantakua | tsz-000 | s3kuiri |
| Tarascan | tsz-001 | s3kw~iri |
| Nxaảmxcín | col-000 | s3kw~tsamxw~ |
| Secwepemctsín | shs-000 | s3kw~usn"t |
| чӑваш | chv-000 | S3l |
| mösiehuali̱ | nhg-000 | S3l |
| Nxaảmxcín | col-000 | s3l |
| Ghmara | gho-000 | s3l |
| Taqbaylit | kab-000 | s3l |
| Greater Kabylia at Mangellat | kab-001 | s3l |
| Khvarshi | khv-000 | s3l |
| Khvarshi Inxokvari | khv-001 | s3l |
| Larevat | lrv-000 | s3l |
| Mzab | mzb-000 | s3l |
| Beni Snous Western Algerian Berber—ASCII | rif-002 | s3l |
| Tarifit—Beni Iznassen | rif-003 | s3l |
| Sursurunga | sgz-000 | s3l |
| Siwa | siz-000 | s3l |
| Senhayi | sjs-000 | s3l |
| TirkCe | tur-002 | s3l |
| Figuig | tzm-004 | s3l |
| Tamazight Central Atlas—Ayt Ndhir | tzm-006 | s3l |
| ភាសាខ្មែរ | khm-000 | s3l3k |
| Kanuri | knc-000 | s3l3m |
| yɨʼmayagaala | byr-000 | s3l3Nam35a |
| yɨʼmayagaala | byr-000 | s3l3ngam3nya |
| fra*sE | fra-009 | s3l3ve |
| yɨʼmayagaala | byr-000 | s3la |
| fra*sE | fra-009 | s3la |
| Hunzib | huz-000 | s3la |
| Nyeu | nyl-000 | s3la |
| Simbari | smb-000 | s3la |
| Gtaʼ | gaq-000 | s3la7 |
| myxʼabišdy čʼel | rut-000 | s3lab |
| Songish | str-004 | S3l"ak"w~ |
| SENĆOŦEN | str-002 | S3lak"w~ |
| tigrinya | tir-003 | s"3lam k3bdi |
| Belait | beg-000 | s3laN |
| Chambri—Kilimbit | can-001 | s3lank |
| Chambri | can-000 | s3lankh~ |
| Simbari | smb-000 | s3lat3 |
| Carolinian | cal-000 | S3law |
| чӑваш | chv-000 | S3ld3r |
| тыва дыл | tyv-000 | s3ld3s |
| kuśiññe | txb-000 | S3le |
| Loda | loa-000 | s3leo |
| mpadi̵ | mpi-000 | s3lg3 |
| Hulʼqʼumiʼnumʼ | hur-001 | s3lic" |
| Halkomelem | hur-002 | s3lic" |
| lagwan | kot-000 | s3lk3 |
| saṃskṛtam | san-001 | S3lk3m |
| lagwan | kot-000 | s3lk3n |
| Metmata | jbn-002 | s3ll |
| Wargla | oua-000 | s3ll |
| tòfa dıl | kim-000 | s3lt3s |
| Pear | pcb-000 | s3ltak |
| Simbari | smb-000 | s3ly3nta |
| Northern Dong Tianzhu Shidong | doc-003 | %s3m |
| Deutsch | deu-000 | S3M |
| English | eng-000 | S3M |
| français | fra-000 | S3M |
| Soddo | gru-000 | S3m |
| Kanembu | kbl-000 | S3m |
| Masqan | mvz-000 | S3m |
| Geto | sgw-003 | S3m |
| Syriac | syc-001 | S3m |
| tigrinya | tir-003 | S3m |
| Yidgha | ydg-000 | S3m |
| Argobba | agj-000 | s3m |
| amarəñña | amh-001 | s3m |
| filename extensions | art-335 | s3m |
| المغربية | ary-000 | s3m |
| Awngi | awn-000 | s3m |
| Bahnar | bdq-000 | s3m |
| Giʼiz | gez-001 | s3m |
| Csango | hun-001 | s3m |
| Jina | jia-000 | s3m |
| Jimi | jmi-000 | s3m |
| Chip | mjs-000 | s3m |
| Miya | mkf-000 | s3m |
| Iron ævzag | oss-003 | s3m |
| Pear | pcb-000 | s3m |
| Palaung | pce-000 | s3m |
| Buli | plj-001 | s3m |
| Paʼa | pqa-000 | s3m |
| Chaha | sgw-002 | s3m |
| Mupun | sur-001 | s3m |
| Tigré | tig-001 | s3m |
| tigrinya | tir-003 | s3m |
| Wawa | www-000 | s3m |
| Zway | zwa-000 | s3m |
| TechTarget file types | art-336 | S3M-16-channel-music-file-Scream-Tracker-v-3-0 |
| чӑваш | chv-000 | S3m3 |
| Sosoniʼ | shh-000 | s3m373 |
| Nyeu | nyl-000 | s3m3h |
| Sanuma | xsu-000 | s3m3ka |
| Jimi | jmi-000 | s3m3n |
| Angor | agg-000 | s3m3nd~3 |
| Sukurum | zsu-000 | s3m3p |
| Zazakî | kiu-000 | s3m3tEn3 |
| Tümpisa | par-000 | s3m3tt3n |
| المغربية | ary-000 | s3m3X |
| North Levantine Spoken Arabic | apc-002 | s3m3Xa |
| المغربية | ary-000 | s3m3ya |
| Nataoran Amis | ais-000 | s3ma |
| amarəñña | amh-001 | s3ma |
| Belait | beg-000 | s3ma |
| Gera | gew-000 | s3ma |
| Kanembu | kbl-000 | s3ma |
| Kwato | kop-000 | s3ma |
| Butanglu | pwn-001 | s3ma |
| Stimul Paiwan | pwn-006 | s3ma |
| Tjubar Paiwan | pwn-007 | s3ma |
| Shako | she-000 | s3ma |
| მარგალური ნინა | xmf-000 | s3ma |
| Long Terawan | zbw-000 | s3ma |
| Nataoran Amis | ais-000 | s3ma7 |
| Farang Amis | ami-003 | s3ma7 |
| Banjari | lmn-000 | s3ma canu |
| Chontal | chf-000 | S3mba |
| ភាសាខ្មែរ | khm-000 | s3mbak |
| Sangir | sxn-000 | s3mbau7 |
| Wawa | www-000 | s3mb~i |
| Sileibi | sbq-000 | s3mb~ia |
| Mesem | mci-000 | s3mbopm |
| Liguri | liu-000 | s3md |
| Gafat | gft-000 | s3mE |
| Damascus Arabic—ASJP | apc-000 | s3meX |
| Mountain Maidu | nmu-000 | s3mi |
| Sediq | trv-004 | s3miliN |
| Me-Wuk | skd-000 | s3mit |
| Mon | mnw-002 | s3mkah |
| ភាសាខ្មែរ | khm-000 | s3mlap |
| Tampuan | tpu-000 | %s3mloN |
| Sōreth | cld-001 | S3mma |
| Argobba | agj-000 | s3mma |
| Kamuku | cdr-000 | S3mmo |
| Manga Kanuri | kby-000 | s3mo |
| Kanuri | knc-000 | s3mo |
| Lava | lcp-000 | s3mo7 |
| Lava | lcp-000 | s3moi5 |
| Baibai | bbf-000 | s3moni |
| TechTarget file types | art-336 | S3-Motorola-S-record-format |
| Simbari | smb-000 | s3mputa |
| Algerian Spoken Arabic | arq-000 | S3ms |
| Jilu | aii-002 | S3mSa |
| wandala | mfi-000 | s3msa |
| Hulʼqʼumiʼnumʼ | hur-001 | s3m"Sa83t |
| Ṣurayt | tru-001 | S3mSo |
| North Itelmen | itl-001 | s3mt |
| South Itelmen | itl-002 | s3mt |
| Simbari | smb-000 | s3mta |
| Angave | aak-000 | s3mu |
| Giʼiz | gez-001 | s3mX~a |
| tigrinya | tir-003 | s3mX~e |
| Jina | jia-000 | s3my~a |
| чӑваш | chv-000 | s3mza |
| Tumbalá Chol | ctu-000 | S3n |
| Luocheng Mulao | mlm-002 | S3n |
| Seya | say-000 | S3n |
| ṣinaá | scl-000 | S3n |
| Shina Kohistani | scl-027 | S3n |
| Binongan Itneg | itb-000 | s3N |
| Nong Duu Mon | mnw-001 | s3N |
| Alənɑpɑtəwewɑkan | aaq-000 | s3n |
| Qafár af | aar-000 | s3n |
| Angor | agg-000 | s3n |
| Argobba | agj-000 | s3n |
| Damascus Arabic—ASJP | apc-000 | s3n |
| North Levantine Spoken Arabic | apc-002 | s3n |
| Haryanvi | bgc-001 | s3n |
| Huangluo Bunu | buh-000 | s3n |
| Younuo Bunu | buh-001 | s3n |
| Carrier | crx-003 | s3n |
| Duguri | dbm-000 | s3n |
| Giʼiz | gez-001 | s3n |
| Ghadamès | gha-000 | s3n |
| Dinjii Zhuh K’yuu | gwi-000 | s3n |
| Harari | har-000 | s3n |
| Jerba | jbn-000 | s3n |
| Metmata | jbn-002 | s3n |
| Kato | ktw-000 | s3n |
| Mulao | mlm-000 | s3n |
| Mbreme | mlr-000 | s3n |
| Mzab | mzb-000 | s3n |
| Chang | nbc-000 | s3n |
| Wargla | oua-000 | s3n |
| Phunoi | pho-000 | s3n |
| Bodéwadmimwen | pot-000 | s3n |
| Rendille | rel-000 | s3n |
| română | ron-000 | s3n |
| Geto | sgw-003 | s3n |
| Siwa | siz-000 | s3n |
| Saho | ssy-000 | s3n |
| Foqaha | swn-000 | s3n |
| Tsishingini | tsw-000 | s3n |
| Figuig | tzm-004 | s3n |
| kuyôtowáwôkun | xpq-001 | s3n |
| Kati | bsh-000 | s3N3 |
| Proto-Samojedisch | syd-000 | s3N3 |
| Jaku | jku-000 | s3n3 |
| Boghom | bux-000 | S3N3l |
| wayuunaiki | guc-000 | s3n3lia |
| Mbula | mbu-000 | s3n3na |
| Rawang | raw-000 | S3na |
| Drung | duu-000 | s3 na |
| China Nung | duu-001 | s3 na |
| Qafár af | aar-000 | s3na |
| المغربية | ary-000 | s3na |
| Waimiri | atr-000 | s3na |
| yɨʼmayagaala | byr-000 | s3na |
| Ye’kuana | mch-000 | s3na |
| Masana Pogo | mcn-001 | s3na |
| Mekwei—Wabron | msf-003 | s3na |
| Shina Guresi | scl-026 | s3na |
| Kachin | kac-000 | S3na7 |
| Shina Kohistani | scl-027 | s3na7 |