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.
I linguisti esperti peua aggiuttâ ascì. Preuva à contattâ e universcitæ de lengue do pòsto (segge i studenti segge i professoî) pe ammiâ se peuan aggiuttâ à arrecheugge de frase con unna boña varietæ de soin inta teu lengua.