a-ii aaaa aaab aaai aaal aaap aaba aabb aabi aabl aabp aaib aaii aala aali aall aapa aapi aapl abaa abab abai abal abap abb- abba abbb abbi abia abib abil abla abpa abpi abpp aiai aiba aibl aiia aiib aila aili aipa aipi al-p alaa alai alal alap alb- alba albi ali- alia alib alii alil alip all- alla alli alll alpa alpi alpl apai apal apap apba api- apia apip apl- apla aplp appa appl ba-i baaa baal baba babb babi baia baib bail bala bali ball bapa bapi bapp bbbb bblb bial biap biba bibb bibi bibl bila bili bill bipa bipp blaa blab blip bpai iaaa iaai iaal iaap iaba iaia iala iall iapa iapp ibia iiii iila iipa ilal ilia ill- illa illi illp ilpa ipba ipil ippa laaa laal laap laba labi laia lail laip lala lali lall lapa lapb lapi lapp lbia liba liia liii lila lilb lili lill lip- lipa lipb lipi lipl lipp llll lpla lppl paal paap paba paia paib pail paip pala pali pall palp papa papb papi papp pbil pbpa piai pial pibb pibi piia piip pil- pila pili pill pipa pipi pipp plaa plab plai plap plib plip plpa plpp ppal ppap ppib ppli pppa pppp