Amsasa, yezmer ad yili s tukksa, ama n wawal, ama n tefyirt neɣ n tseddart dayen i wumi semman (la suppression). Yettili-d daɣen s tmerna n kra ɣef uḍris anaṣli, wagi qqaren-as (l’adjonction). Yella wanda yettili s ubeddel, dayen i wumi qqaren (la substitution ).