| aršatten č’at | aqc-000 | inχ |
| English | eng-000 | INА |
| Qırımtatar tili | crh-000 | İnсil |
| Proto-Austronesian | map-000 | *io |
| Proto-Oceanic | pqe-004 | *io |
| iKota | koq-000 | +&i`O |
| iKota | koq-000 | +&iò |
| suomi | fin-000 | -io |
| Romanova | rmv-000 | -ioʼ |
| suomi | fin-000 | -iö |
| la lojban. | jbo-000 | .io |
| la lojban. | jbo-000 | .iʼo |
| العربية | arb-000 | I/O |
| 普通话 | cmn-000 | I/O |
| dansk | dan-000 | I/O |
| eesti | ekk-000 | I/O |
| English | eng-000 | I/O |
| suomi | fin-000 | I/O |
| עברית | heb-000 | I/O |
| Hindi | hin-002 | I/O |
| magyar | hun-000 | I/O |
| italiano | ita-000 | I/O |
| 日本語 | jpn-000 | I/O |
| Hangungmal | kor-001 | I/O |
| Nederlands | nld-000 | I/O |
| română | ron-000 | I/O |
| ภาษาไทย | tha-000 | I/O |
| اردو | urd-000 | I/O |
| Bahasa Malaysia | zsm-000 | I/O |
| ISO 3166 alpha | art-006 | IO |
| List of Glossing Abbreviations | art-306 | IO |
| Deutsch | deu-000 | IO |
| English | eng-000 | IO |
| Nederlands | nld-000 | IO |
| svenska | swe-000 | IO |
| Afrikaans | afr-000 | Io |
| toskërishte | als-000 | Io |
| bosanski | bos-000 | Io |
| brezhoneg | bre-000 | Io |
| čeština | ces-000 | Io |
| lingua corsa | cos-000 | Io |
| Cymraeg | cym-000 | Io |
| dansk | dan-000 | Io |
| Deutsch | deu-000 | Io |
| Kĩembu | ebu-000 | Io |
| eesti | ekk-000 | Io |
| English | eng-000 | Io |
| Esperanto | epo-000 | Io |
| euskara | eus-000 | Io |
| suomi | fin-000 | Io |
| français | fra-000 | Io |
| hrvatski | hrv-000 | Io |
| magyar | hun-000 | Io |
| interlingua | ina-000 | Io |
| bahasa Indonesia | ind-000 | Io |
| italiano | ita-000 | Io |
| Kĩkamba | kam-000 | Io |
| Kamba Kitui | kam-001 | Io |
| Rumuhei | klq-000 | Io |
| latine | lat-000 | Io |
| Plattdüütsch-Neddersassisch | nds-002 | Io |
| Nederlands | nld-000 | Io |
| bokmål | nob-000 | Io |
| polski | pol-000 | Io |
| português | por-000 | Io |
| română | ron-000 | Io |
| slovenčina | slk-000 | Io |
| slovenščina | slv-000 | Io |
| español | spa-000 | Io |
| svenska | swe-000 | Io |
| Türkçe | tur-000 | Io |
| tiếng Việt | vie-000 | Io |
| Bahasa Malaysia | zsm-000 | Io |
| English | eng-000 | Io. |
| català | cat-000 | Ió |
| ʻōlelo Hawaiʻi | haw-000 | i ʻō |
| Dutton Speedwords | dws-000 | i-o |
| English | eng-000 | i/o |
| Aghu | ahh-000 | io |
| Arosi | aia-000 | io |
| Amara | aie-000 | io |
| Angoram-4 | aog-000 | io |
| Angoram—Kambrindo | aog-001 | io |
| ISO 639-1 | art-004 | io |
| Na’vi | art-011 | io |
| Latino sine Flexione | art-014 | io |
| Sambahsa-mundialect | art-288 | io |
| filename extensions | art-335 | io |
| IETF language tags | art-420 | io |
| Pele-Ata | ata-000 | io |
| Atemble | ate-000 | io |
| Bamu Kiwai | bcf-000 | io |
| Sisiame | bcf-001 | io |
| Pirupiru | bcf-002 | io |
| Bariai | bch-000 | io |
| Bikol | bcl-000 | io |
| Banggai Islands | bgz-001 | io |
| Bagupi | bpi-000 | io |
| Bauwaki | bwk-000 | io |
| Kashibo Alto Aguaytia | cbr-001 | io |
| Kashibo Bajo Aguaytia | cbr-002 | io |
| Kashibo de San Alejandro | cbr-003 | io |
| Kashibo Sungaroyacu | cbr-004 | io |
| Daga | dgz-000 | io |
| Dalmatian | dlm-000 | io |
| Domu | dof-000 | io |
| Dutton Speedwords | dws-000 | io |
| Mussau-Emira | emi-000 | io |
| English | eng-000 | io |
| Esperanto | epo-000 | io |
| Faita | faj-000 | io |
| vosa Vakaviti | fij-000 | io |
| Fuyuge | fuy-000 | io |
| Niksek—Gabiano | gbe-000 | io |
| Patpatar | gfk-000 | io |
| diutisk | goh-000 | io |
| ʻōlelo Hawaiʻi | haw-000 | io |
| Halia | hla-000 | io |
| Meneca | hto-000 | io |
| Nipode Witoto | hux-000 | io |
| Purari | iar-000 | io |
| interlingua | ina-000 | io |
| italiano | ita-000 | io |
| Maceratese | ita-008 | io |
| Mapi | jaq-000 | io |
| basa Jawa | jav-000 | io |
| Loglan | jbo-001 | io |
| Siha | jmc-002 | io |
| Nihongo | jpn-001 | io |
| Iyo-ben | jpn-113 | io |
| Nagasaki-ben | jpn-131 | io |
| Kumamoto-ben | jpn-134 | io |
| Miyazaki-ben | jpn-140 | io |
| Satsugū hōgen | jpn-143 | io |
| Kĩkamba | kam-000 | io |
| Kamba Kitui | kam-001 | io |
| Grass Koiari | kbk-000 | io |
| Kobol | kgu-000 | io |
| Arigibi | kiw-001 | io |
| Gope | kiw-004 | io |
| Kiwai | kjd-000 | io |
| Tabo | knv-001 | io |
| Kol | kol-000 | io |
| Mountain Koiari | kpx-000 | io |
| Raluana | ksd-001 | io |
| Lâhū-khɔ̂ | lhu-000 | io |
| dhɑng djhiɛu xɑ̀n ngiǔ | ltc-002 | io |
| Kajin M̧ajeļ | mah-000 | io |
| Makasar | mak-000 | io |
| Morigi | mdb-000 | io |
| Motu | meu-000 | io |
| Soma | mky-005 | io |
| Tamambo | mla-000 | io |
| North Fork | mnr-001 | io |
| Matepi | mqe-000 | io |
| Manggarai | mqy-000 | io |
| reo Māori | mri-000 | io |
| Maranao | mrw-000 | io |
| Vurës | msn-001 | io |
| Munit | mtc-000 | io |
| Mota | mtt-000 | io |
| Manam | mva-000 | io |
| Nakanai | nak-000 | io |
| Tâi-gí | nan-003 | io |
| napulitano | nap-000 | io |
| Nasioi | nas-000 | io |
| Nake | nbk-000 | io |
| Ngad'a | nxg-000 | io |
| occitan | oci-000 | io |
| Kadorih | otd-001 | io |
| Vaeakau-Taumako | piv-000 | io |
| fiteny Malagasy | plt-000 | io |
| português | por-000 | io |
| Romanova | rmv-000 | io |
| Tae' | rob-000 | io |
| română | ron-000 | io |
| limba istroromånă | ruo-000 | io |
| limba armãneascã | rup-000 | io |
| lingua siciliana | scn-000 | io |
| Sumau | six-000 | io |
| Lamaholot Ile Mandiri | slp-000 | io |
| Saruga | sra-000 | io |
| Seimat | ssg-000 | io |
| Suena | sue-000 | io |
| Sangir | sxn-000 | io |
| Inanwatan | szp-000 | io |
| Timugon Murut | tih-000 | io |
| Soboyo | tlv-000 | io |
| Lenakel | tnl-000 | io |
| lea fakatonga | ton-000 | io |
| Touo | tqu-001 | io |
| Torau | ttu-000 | io |
| Uyghurche | uig-001 | io |
| Uya | usu-000 | io |
| Fagauvea | uve-000 | io |
| Kyivunjo | vun-000 | io |
| Gebeto | wti-001 | io |
| Ketengban | xte-000 | io |
| Ketengban | xte-001 | io |
| Ketengban | xte-002 | io |
| Yareba | yrb-000 | io |
| italiano | ita-000 | io … |
| Kajin M̧ajeļ | mah-000 | io- |
| hagˋfa | hak-004 | ioˊ |
| hagˋfa | hak-004 | ioˋ |
| saŋ˥xaŋ˥o˧ | hsn-005 | io˥ |
| e˧mŋ˨˦ue˧ | nan-033 | io˥ |
| səu˦tsy˦ɦo˧˩ | wuu-005 | io˦ |
| kuSkonPxuaQ | cmn-041 | io˧ |
| saŋ˥xaŋ˥o˧ | hsn-005 | io˧ |
| tie˥tsiu˧ue˩ | nan-034 | io˧ |
| saŋ˥xaŋ˥o˧ | hsn-005 | io˧˥ |
| sɿ˩˧tsʰuan˦xua˩˧ | cmn-037 | io˧˩ |
| tʂan˦˩sa˧fa˨˩ | hsn-003 | io˨˦ |
| e˧mŋ˨˦ue˧ | nan-033 | io˨˦ |
| saŋ˥xaŋ˥o˧ | hsn-005 | io˨˩ |
| u˦˨xan˧˥xua˧˥ | cmn-035 | io˨˩˧ |
| toꞌondáꞌó | mxb-000 | io̱ |
| Na’vi | art-011 | io– |
| Ubir | ubr-000 | i|o |
| dhɑng djhiɛu xɑ̀n ngiǔ | ltc-002 | iò |
| lingua siciliana | scn-000 | iò |
| català | cat-000 | ió |
| Cashibo | cbr-000 | ió |
| Agta | dgc-000 | ió |
| toꞌondáꞌó | mxb-000 | ió |
| Tâi-gí | nan-003 | ió |
| Tagalog | tgl-000 | ió |
| cotiria | gvc-000 | iõ |
| Nias | nia-000 | iõ |
| saŋ˥xaŋ˥o˧ | hsn-005 | iõ˨˧ |
| saŋ˥xaŋ˥o˧ | hsn-005 | iõ˨˩ |
| lingaz ladin | lld-000 | iö |
| ʻōlelo Hawaiʻi | haw-000 | iō |
| Kajin M̧ajeļ | mah-000 | iō |
| Kơho Lach | kpm-002 | iŏ |
| Tâi-gí | nan-003 | iŏ |
| dhɑng djhiɛu xɑ̀n ngiǔ | ltc-002 | iǒ |
| Cashibo | cbr-000 | iʼo |
| Baniata | tqu-000 | iːo |
| y˦tɕiu˦ɦo˨ | wuu-007 | i˨˩ o˦˥ |
| limba meglenoromană | ruq-000 | i̯o |
| limba istroromånă | ruo-000 | i̯ó |
| mji nja̱ | txg-000 | iọ |
| asturianu | ast-000 | Ío |
| español | spa-000 | Ío |
| interlingua | ina-000 | ìo |
| fiteny Malagasy | plt-000 | ìo |
| Golin | gvf-000 | í ó |
| Hupa | hup-000 | íO |
| Mattole | mvb-000 | íO |
| Eglathrin | sjn-000 | ío |
| Waioli | wli-000 | íò |
| ‘E‘o ‘Kenata | mrq-000 | íó |
| Waioli | wli-000 | íó |
| ʼAreʼare | alu-000 | īo |
| vosa Vakaviti | fij-000 | īo |
| limba armãneascã | rup-000 | ĭo |
| Türkçe | tur-000 | İÖ |
| ʻōlelo Hawaiʻi | haw-000 | ʻio |
| lea fakatonga | ton-000 | ʻio |
| ʻōlelo Hawaiʻi | haw-000 | ʻiʻo |
| reo Tahiti | tah-000 | ʻiʻo |
| mji nja̱ | txg-000 | ˑiọ |
| Tomo Kan Dogon | dtm-001 | ⁱoː |
| Pakaásnovos | pav-000 | io7 |
| Gibaio | kiw-000 | io7a |
| Ese Ejja | ese-000 | io7o |
| Domu | dof-000 | io7u |
| Kukuya | mvn-000 | io8oma |
| Ambai | amk-000 | i-oa |
| Tâi-gí | nan-003 | i-óa |
| Babuza | bzg-000 | ioa |
| Wogeo | woc-000 | ioa |
| reo Tahiti | tah-000 | iʻoa |
| reo Tahiti | tah-000 | i’oa |
| Nederlands | nld-000 | I/O-aanvraagpakket |
| latine | lat-000 | Ioab |
| latine | lat-000 | Ioachim |
| English | eng-000 | Ioachim Chronicle |
| latine | lat-000 | Ioachim Florensis |
| latine | lat-000 | Ioachim Heer |
| bokmål | nob-000 | Ioachimkrøniken |
| latine | lat-000 | Ioachim Maria Machado de Assis |
| latine | lat-000 | Ioachim Navarro-Vals |
| latine | lat-000 | Ioachim Rossini |
| latine | lat-000 | Ioachimus |
| latine | lat-000 | Ioachimus Meisner |
| English | eng-000 | I/O Active |
| English | eng-000 | IO Active |
| English | eng-000 | I/O activity |
| English | eng-000 | ioad |
| English | eng-000 | I/O adapter |
| English | eng-000 | I/O Addr |
| English | eng-000 | I/O Address |
| English | eng-000 | I/O address |
| English | eng-000 | IO Address |
