Consonants
Basic short series
| bilabial | labio-velar | labio-dental | dental | alveolar | postalveolar | palatal | velar | uvular | glottal | epiglottal |
stop | b, pʰ, pʼ | | | t̪ʰ, t̪ʼ, d̪ | | | | kʰ, ɡ, kʼ | qʼ, qʰ | ʔ | |
trill | | | | | | | | | | | ʢ, ʜ |
tap | | | | | ɾ, ɾ̥ | | | | | | |
fricative | | | f | | s, z | ʒ, ʃ | | x | ʁ | h | |
affricate | | | | | tsʰ, tsʼ, dz | tʃʰ, tʃʼ, dʒ | | | | | |
nasal | m | | | | | | | | | | |
approximant | | w | | | | | j | | | | |
Long series
| bilabial | dental | alveolar | uvular |
stop | pː | t̪ː | | qː |
fricative | | | sː | |
Short velarised series
| dental |
lateral approximant | ɫ̪ |
Short pre-aspirated series
Vowels
Basic short series
| front | central | back |
close | y | | |
near-close | ɪ | | ʊ |
close-mid | e̞, ø | | o̞ |
mid | | ə | |
Long series
| front | back |
close | iː, yː | uː |
close-mid | e̞ː, øː | o̞ː |
open | | ɑː |
Short nasalised series
| front | central | back |
near-close | ɪ̃ | | ʊ̃ |
mid | | ə̃ | |
Long nasalised series
| front | back |
close | ĩː | ũː |
close-mid | ẽ̞ː | |
open | | ɑ̃ː |
Diphthongs
/je/, /ie/, /y̯ø/, /yø/, /wo/, /woː/, /jẽ/, /iẽ/, /wõ/, /wõː/
Licit initial clusters
st̪, pʰx, t̪ʰx, mʢ, bʢ, pʜ, pːʜ, wʢ, t̪ʜ, t̪ːʜ, d̪ʢ, tsʜ, sːʜ, dzʢ, sʜ, zʢ, ɾʢ, ɫ̪ʢ, tʃʜ, dʒʢ, ʒʢ, ʃʜ, jʢ
Licit syllabic templates
CV(C)(C), st̪V(C)(C), pʰxV(C)(C), t̪ʰxV(C)(C), CʢV(C)(C), CʜV(C)(C)
Source: Nichols, Johanna. 1994. Chechen. The Indigenous languages of the Caucasus. Caravan Books, Delmar, NY; Магомедов, А.Г. 1974. Система гласных чечено-ингушского языка. Махачкала, Даг. ФАН СССР
Comments: Nichols 1994 treats pharyngealization as a consonantal feature, while I opt for a segmental treatment. I do not include /æ/ (pharyngealized allophone of /e̞/ and shortened allophone of /e̞ː/).