Mountain Koiali language

Mountain Koiari is a language of Oro Province and Central Province, Papua New Guinea. It is not very similar to the other language which shares its name, Grass Koiari. Half of its speakers are monolingual.
It is spoken in Barai, Efogi, and Koiari villages of Koiari Rural LLG, as well as in Hiri Rural LLG.

Phonology

Consonants

Sounds /ɸ, x/ can also be voiced as in word-medial position.
Sounds /t, l/ can also be lenited as in word-medial position.
Vowels