A. Ifeggagen meẓẓiyen •(ɣ) r1(ɣ) azal. 55-% n yemyagen •r1 (ɣ) •(ɣ) r1(ɣ)r2(ɣ) •r1r2(ɣ) •r1r2r3(30-% n yemyagen) 56