| bilabial | labio-dental | alveolar | postalveolar | velar | uvular | glottal | |
| stop | p, pʰ, b | t, tʰ, d | k, kʰ, g | q, qʰ | |||
| fricative | f, v | ʃ, ʒ | x, ɣ | h | |||
| affricate | tʃ, tʃʰ | ||||||
| nasal | mʰ, m | nʰ, n | ŋ | ||||
| approximant | ɹ | ||||||
| lateral approximant | lʰ, l |
| front | central | back | |
| close | i | ɨ | u |
| close-mid | e | o | |
| open | a |
11, 33, 55
Ø
(C)V(C)
Source: Teo, Amos. 2012. Sumi (Sema). Journal of the International Phonetic Association 42.365–373. doi:10.1017/S0025100312000254.
Comments: The canonical syllable shape is CV. VC shape can appear due to sesquisyllabic effects (amla [am11 la11] ‘chest’—a relational prefix + the sesquisyllabic root
Contributed by: Dmitry Nikolaev (dnikolaev@fastmail.com)