Mundugumor (Munduguma, Mundukomo) a.k.a.
Biwat is a Yuat language of Papua New Guinea.
It is spoken in Biwat village (4°24′55″S 143°51′36″E / 4.415234°S 143.859962°E / -4.415234; 143.859962 (Biwat)) of Yuat Rural LLG, East Sepik Province.
[1][2] Mundukumo consonants are:[3] Mundukumo vowels are:[3] Some examples showing Mundukomo nouns and their irregular plural forms:[3]: 228 Similar patterns of complex nominal plural allomorphy are also found in the Lower Sepik-Ramu languages.
[3]: 228