Da nufa-d inelmaden ttbeddilen amkan n teɣra ( a - e), (e - a) anect-a yettuɣal ɣer ususru n wawal, inelmaden ttarun akken i t-id-susruyen,ur ṭṭafaren ara ilugan n temlellit n teɣra, akken neẓra tiɣra mmugent-d i usisshel n ususru n wawal ladɣa tiɣri n yilem " e".