- Guerrab said (2014) : inuda ɣef tussna n tantaliwin , anda yexdem tasastant tesɛa azal n 130 n wawalen s tefransist. Awalen-agi, ɛnan kra n wawalen iḥerfiyen (ismawen, imyagen, irbiben) d kra n tefyar timeẓẓyanin.