D tarrayt gar tarrayin n usileɣ n umawal, d asdukel n tayunt tamawalant d tayunt tajerrumant. Akken i d-yenna Dubois d wiyaḍ (2012 : 136):  Irem n usuddem, yessebgan-d s umata d tamhalt i nessemras i usileɣ n tayunin timawalanin timaynutin deg tutlayt11 .