Vladimir Propp, d netta i yexdmen taṣleḍṭ ɣef tɣessa n tmacahut deg useggas n 1928, ɣur-s netta d 31 n twuriwin-is i d ṣṣeḥ di tezrawt tasnalɣant n yal tamacahut, ɣas akken yezmer ur d tilint ara yak, acu kan ilaq ad illint mseḍfarent. Tiwuriwin-agi bḍan-t ɣef snat n tgezmin, seg mi ara ad d-yili ccer neɣ wugur, almi d ass mi ara yettwakes.