Vowels[]
The Santa Maria Papalo dialect contains six vowel sounds both oral and nasal:
| Front | Back | |
|---|---|---|
| Close | i ĩ | u ũ |
| Mid | e ẽ | o õ |
| ɔ ɔ̃ | ||
| Open | a ã | |
Consonants[]
| Bilabial | Dental | Alveolar | Palatal | Velar | Glottal | |||
|---|---|---|---|---|---|---|---|---|
| plain | lab. | |||||||
| Plosive | voiceless | p | t | k | kʷ | ʔ | ||
| voiced | b | d | ɡ | ɡʷ | ||||
| Affricate | tʃ | |||||||
| Fricative | voiceless | ɸ | θ | s | x | xʷ | h | |
| voiced | β | ð | z | ɣ | ɣʷ | |||
| Nasal | m | n | ŋ | ŋʷ | ||||
| Rhotic | ɾ, r | |||||||
| Approximant | ɹ | j | ɰ | w | ||||
| Lateral | l | ʎ | ʟ | ʟʷ | ||||
Allophones of the following sounds /β ð ɣ n j t tʃ/ include /b d ɡ~x ŋ j̈ θ ʃ/.