| Nederlands | nld-000 |
| duaal | |
| català | cat-000 | dual |
| čeština | ces-000 | duální |
| dansk | dan-000 | dual |
| Deutsch | deu-000 | dual |
| English | eng-000 | dual |
| Esperanto | epo-000 | duala |
| français | fra-000 | dual |
| hrvatski | hrv-000 | dualni |
| magyar | hun-000 | duális |
| italiano | ita-000 | duale |
| lenga piemontèisa | pms-000 | doal |
| polski | pol-000 | dualny |
| português | por-000 | dual |
| español | spa-000 | dual |
| svenska | swe-000 | dual |