a-ii aaaa aaab aaaf aaai aaal aaba aabb aabi aabl aafa aafb aaff aafi aafl aaib aaii aala aali aall abaa abab abaf abai abal abb- abba abbb abbi abff abia abib abil abla afaa affa affi afia afib afif afil afla aiai aiba aibl aiff aifl aiia aiib aila aili alaa alai alal alb- alba albi alfa alfi ali- alia alib alif alii alil all- alla alli alll ba-i baaa baaf baal baba babb babi baff baia baib bail bala balf bali ball bbbb bblb bffl biaf bial biba bibb bibi bibl bifa biff bifi bila bili bill blaa blab faaa faba fabi fafa faff fafi fail fala fali fall fbla ffff ffii fiaa fiaf fial fiba fifa fiff fifi fiii fiil fila fili fill flab flia flii iaaa iaai iaal iaba iaff iafl iaia iala iall ibfi ibia ifaa ifbb ifil ifla iifa iiii iila ilal ilia ill- illa illi laaa laal laba labi lafb laff laia lail lala lali lall lbia liba lifa liff lifl liia liii lila lilb lili lill llll