| bilabial | labio-dental | alveolar | alveolo-palatal | palatal | velar | uvular | glottal | |
| stop | p, pʰ | t, tʰ | k, kʰ, ɡ | q, qʰ, ɢ | ʔ | |||
| fricative | f, v | s, z | ɕ | x, ɣ | ʁ | h | ||
| affricate | ts, tsʰ | tɕ, tɕʰ | ||||||
| nasal | m̥, m | n̥, n | ɲ̊, ɲ | ŋ̊, ŋ | ||||
| approximant | j | |||||||
| lateral approximant | l |
| bilabial | alveolar | |
| stop | ⁿb | ⁿd |
| bilabial | labio-velar | alveolar | palatal | velar | |
| stop | ʼb | ʼd | ʼɡ | ||
| fricative | ʼɣ | ||||
| nasal | ʼm | ʼn | ʼɲ | ʼŋ | |
| approximant | ʼw | ʼj |
| front | central | back | |
| close | i | u | |
| close-mid | e | o | |
| mid | ə | ||
| open | a |
| central | |
| open | aː |
/ai/, /aːi/, /oi/, /ui/, /au/, /aːu/, /eu/, /iu/
31, 41, 33, 42, 35, 323, 44, 43, 34
pj, pʰj, bj, ʼbj, mj, fj, wj, tj, tʰj, dj, ʼdj, nj, ʼnj, n̥j, lj, tsj, tsʰj, sj, zj, kw, kʰw, ŋ̊w, ŋw
m, n, p, t, k
CV(C)
Source: Edmondson, Jerold A.; John H. Esling; Jimmy G. Harris; and James Wei. 2004. A phonetic study of Sui consonants and vowels. Mon-Khmer Studies 34.47–66.
Contributed by: Dmitry Nikolaev (dnikolaev@fastmail.com)