these are the sounds found in most native Sinhalese dialects:
there are also sounds not on the chart
/t/, /d/, /s/ are dental
bilabial and postalveolar fricatives in loan words
palatal and velar nasals in loan words
'schwa' in loan words
fronted /a/
some vowels are long, others short
(from: Maddieson,
I. 1984. Patterns of Sounds. Cambridge: Cambridge University Press.)