The code "bih" does not refer to a specific language, but to a collection of languages, namely the Bihari languages.
Languages in this collective include:
- Angika (anp)
- Bajjika (no code)
- Bhojpuri (bho)
- Khortha (no code)
- Kudmali (kyw)
- Magahi (mag)
- Maithili (mai)
- Panchpargania (tdb)
- Sadri (sck)
- Tharu languages
- Dangaura Tharu (thl)
- Kathoriya Tharu (tkt)
- Rana Tharu (thr)
- Chitwania Tharu (the)
- Kochila Tharu (thq)
- Buksa Tharu (tkb)
- Sonha (soi)
- Kumhali (kra)
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