| 日本語 | jpn-000 |
| 永延 | |
| العربية | arb-000 | اي-ان |
| asturianu | ast-000 | Eien |
| босански | bos-001 | Еи-ен (987-989) |
| 普通话 | cmn-000 | 永延 |
| 普通话 | cmn-000 | 永延 (987–989) |
| 國語 | cmn-001 | 永延 |
| English | eng-000 | Eien |
| English | eng-000 | Eien era |
| français | fra-000 | Eien (987–989) |
| हिन्दी | hin-000 | ई-एन (987–989) |
| hrvatski | hrv-000 | Ei-en (987.-989.) |
| interlingua | ina-000 | Eien |
| bahasa Indonesia | ind-000 | Ei-en (987-989) |
| にほんご | jpn-002 | えいえん |
| 한국어 | kor-000 | 에이엔 (987 ~ 989) |
| ລາວ | lao-000 | ເອ-ເອັນ (987–989) |
| lietuvių | lit-000 | Ei-en (987–989) |
| Nederlands | nld-000 | Eien (987–989) |
| русский | rus-000 | Эпоха Ейен (987–989) |
| српски | srp-000 | Еи-ен (987-989) |
| srpski | srp-001 | Ei-en (987-989) |
| svenska | swe-000 | Ei-en (987–989) |
| ภาษาไทย | tha-000 | เอเอ็ง (987–989) |
| українська | ukr-000 | Ейʼен |
| українська | ukr-000 | Ейен (987–989) |