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.
Experte linguistas poter alsi adjutar, tenta de attinger local Universitates linguistic (ambe inseniantes e studentes) e vide si illes pote adjutar a colliger un diverse collection de phrases que appare diverse in tu lingua.