Yonggom language

Yonggom is one of the Ok languages of Indonesia and Papua New Guinea. According to its speakers, it is part of a continuum of 9 mutually intelligible dialects of Muyu languages which also includes Muyu, North Muyu, South Muyu, and Ningrum. Petabahasa by Indonesian [Ministry of Education] classified this language as Yonggom/Yongkom spoken in Kampung Ninati, although another name recorded for South Muyu is Yongon.

Phonology

Consonants

/b, d/ can become fricatives intervocalically in fast speech.
/k/ can be heard as a fricative in fast speech.
/ɾ/ becomes in word-initial position.
/j/ is heard as an affricate when following a plosive.
Vowels
/i/ becomes when before /s/ or a word-final /n/.
/ɛ/ becomes more close as when before a sonorant back consonant.