There are no bilabials (unless one counts /w/ as labial rather than velar).
It's unclear if aspiration is phonemic or a realization of C + /h/; probably the latter as ‘nh’ is /n/ + /h/, and ‘sh’ is /s/ + /h/ (not SAMPA /S/).
From listening to the syllabification of careful speech, I also assume that orthographic 'ts' is indeed an affricate, since 'tsh' corresponds to SAMPA /tS/ - though it begs the question of why not use a single symbol for each of these? (After all, with such a small inventory, there are lots of Latin letters available!)
Dental
Palatal
Velar
Glottal
Stop
t
k
?
Affricate
ts
tS
Fricative
s
h
Nasal
n
Liquids
l
w
Vowels
Length is contrastive.
Nasalization is contrastive.
There appear to be a high and low tone. (See tonal language.)