| Abbreviation | Definition |
|---|---|
| BP | Brazilian Portuguese |
| BR | Beginning Russian |
| BR | Breton |
| CA | Catalan |
| CF | Canadian French |
| CH | Colloquial Hebrew |
| CH | Confederation of Helvetia (Switzerland) |
| CO | Corsican |
| CS | Czech |
| CY | Welsh |
| DE | DEutsch (German) |
| DT | Deutsch (German) |
| DZ | Bhutani |
| EF | English French |
| EG | English German |
| EJ | English Japanese |
| EL | Greek |
| EN | English |
| EO | Esperanto |
| EP | European Portuguese |