D asemres uzig n ugemmay di tira n tutlayt, akken id-yenna Email Benveniste :  ticki tettili srid s deffir n wawal . Tussna n tirawalt d tussna i yettwalmaden awal s wawal amedya : o,, au, eau ( neɣ aman ) d anti tigensasin yemgaraden anesli /o/ s tefransist i nettqadar deg umager n wawalen .25