Expert linguists can also help, try to reach out to local linguistic universities (both teachers and students) and see if they can help to gather a diverse set of sound-diverse sentences in your language.
Ochwepheshe bezilimi nabo bangasiza ngokufinyelela kwizazi zezilimi zasemanyuvesi wendawo (othisha nabafundi) babone ukuthi bangahlanganisa kanjani imisindo ehlukahlukene yemisho ngolimi lakho.