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.
Kanko dɔnnikɛlaw fana bɛ se ka dɛmɛ don, k’a ɲini ka se sigida kanko kalansobaw ma (karamɔgɔw ni kalandenw bɛɛ) k’a lajɛ n’u bɛ se ka dɛmɛ don ka kumasen suguya caman lajɛ i ka kan na.