/t c k ʔ/
/θ s x h/
/n ŋ/
/j r ʕ/
+ more?
/a e ə i ã ẽ ə̃ ĩ/ + length
diphthongs: ia ɯa ai ɯi
Proto-Hlu NC C1C1 > əNN əNC > ə̃N ə̃C, occasional coloring of schwa by following /a i/
definite article ko with elision of vowel before vowel-initial word