a-ii aaaa aaab aaac aaai aaal aaba aabb aabc aabi aabl aaca aacb aacc aaci aacl aaib aaic aaii aala aalc aali aall abaa abab abac abai abal abb- abba abbb abbi abca abcb abcc abci abcl abia abib abic abil abla abza acaa acab acac acai acba acbl acca accc acci aci- acia acic acla aclc acli aiai aiba aibl aica aicc aiia aiib aiic aila aili aiza aizi alaa alac alai alal alaz alb- alba albc albi alca alcc ali- alia alib alii alil aliz all- alla alli alll alza alzi aza- azab azai azal azaz azca azia azil aziz azza azzi ba-i baaa baal baaz baba babb babi bac- baca bacc baci bacz baia baib baic bail bala balc bali ball baza bazi bbbb bbci bblb bcaa bcbc bcca bccc bcci bccl bcia bial biba bibb bibi bibl bica bicc bici bila bili bill bilz bizz blaa blab blac blaz blic bliz bzzz caaa caab caac caal caba cabi cac- caca cacc caci caia caib caic cail cala calc cali call caza cbac cbal cbbc cbca cbcc cbcl cbia cblb cblc ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci cccl ccic ccii ccil ccla cclc ccli ciaa cial ciba cibc cibi cica cicc cici ciia ciii cila cili cill ciza clab clai clib clic clii iaaa iaac iaai iaal iaba iaca iacc iaia iala iall ibac ibca ibia icaa icab icac icai ical icbc icca iccb iccc icci iccl icll iiac iica iiii iila ilac ilal ilbc ilca ilia ilic ill- illa illi izal izba izia laaa laac laal laba labi laca lacc laci lacl laia laic lail laiz lala lali lall laza lazi lbcc lbia lcac lcbc lcca lccc lcia liac liaz liba libc lica liia liii lila lilb lili lill liza lizi lizl llcc lllc llll zaal zaba zabi zaca zaia zail zal zala zali zaza zazi ziaz ziba zica zila zill ziza zizi zizz zlib zzzz