these are the sounds found in most native Somali dialects:
there are also sounds not on the chart

Other sounds:

labio-velar voiced central approximant /w/
dental and velar voiceless aspirated stops
retroflex voiced stop is laryngialized
long forms of all voiced stops
alveolar long voiced nasal
alveolar long voiced lateral approximant
some vowels are long, others short

(from: Maddieson, I. 1984. Patterns of Sounds. Cambridge: Cambridge University Press.)