a-ii aaaa aaab aaai aaal aaba aabb aabi aabl aaib aaii aala aali aall abaa abab abai abal abb- abba abbb abbi abia abib abil abla aiai aiba aibl aiia aiib aila aili alaa alai alal alb- alba albi ali- alia alib alii alil all- alla alli alll ba-i baaa baal baba babb babi baia baib bail bala bali ball bbbb bblb bial biba bibb bibi bibl bila bili bill blaa blab iaaa iaai iaal iaba iaia iala iall ibia iiii iila ilal ilia ill- illa illi laaa laal laba labi laia lail lala lali lall lbia liba liia liii lila lilb lili lill llll