a-ii aaaa aaab aaaf aaai aaal aaba aabb aabi aabl aabt aafa aafb aaff aafi aafl aaib aaii aala aali aall aata aatf aatt abaa abab abaf abai abal abat abb- abba abbb abbi abbt abff abia abib abil abit abla abta afaa afat affa affi afft afia afib afif afil afit afla afta aiai aiba aibl aiff aifl aiia aiib aila aili aita aitf aiti aitt alaa alai alal alat alb- alba albi alfa alfi ali- alia alib alif alii alil alit all- alla alli alll alta alti at-l at-t ataa atab atai atal atat atfb atia atif atil atit atla atli atta atti ba-i baaa baaf baal baat baba babb babi baff baft baia baib bail bait bala balf bali ball balt bata batf bati batt bbbb bblb bffl bfta bftt biaf bial biat biba bibb bibi bibl bifa biff bifi bila bili bill bilt bita bitt blaa blab blat blbt blit btaa btaf btla bttb faaa faba fabi fafa faff fafi fail fait fala fali fall falt fata fatf fati fatt fbla ffff ffii fftf fiaa fiaf fial fiat fiba fifa fiff fifi fift fiii fiil fila fili fill fita fiti fitt flab flat flia flii flit ft-l ftii ftlb iaaa iaai iaal iaat iaba iaff iafl iaia iala iall iata iati ibat ibfi ibia ibtb ibtl ifaa ifat ifbb ifil ifit ifla ifta iifa iiii iiit iila iita iitt ilal ilia ilit ill- illa illi illt itaa itaf itai ital itat itfa itia itif itil itll itta ittf laaa laal laat laba labi lafb laff laft laia lail lait lala lali lall lata lati latt lbia lfat liat liba lifa liff lifl lift liia liii lila lilb lili lill lilt lita litb liti litl litt llat llll ltbf ltbl ltib taa- taaf taal taat taba tabb tabi tabl tafa taff tafi taft taia tail tait tala tali tall tata tatb tati tatt tbaf tbil tbit tbta tfal tiaa tiab tiaf tial tiba tibi tifa tiff tift tiit tila till tilt tita titi titt tlli ttab ttbb ttfa ttff tttt