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 abaj abal abb- abba abbb abbi abca abcb abcc abci abcl abia abib abic abil abla ablj acaa acab acac acai acba acbl acca accc acci aci- acia acic acla aclc acli aiai aiba aibl aica aicc aiia aiib aiic aija aila aili ajab ajac ajba ajil ajla alaa alac alai alal alb- alba albc albi alca alcc ali- alia alib alii alil all- alla alli alll ba-i baaa baal baba babb babi bac- baca bacc baci baia baib baic bail baja baji bala balc bali ball bbbb bbci bblb bcaa bcbc bcca bccc bcci bccl bcia biaj bial biba bibb bibi bibl bica bicc bici bija biji bijl bila bili bill bjcc blaa blab blac blaj blic caaa caab caac caal caba cabi cac- caca cacc caci caia caib caic cail caja caji cala calc cali call 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 cjbc cjca cjcb cjcj cjcl cjic cjli 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 ijji ilac ilal ilbc ilca ilia ilic ilja ill- illa illi jaal jaba jabi jaca jacc jaci jacl jail jaja jaji jala jalc jali jbaa jcbc jccc jcci jibb jibi jiji jila jili jill jjcc jlab laaa laac laaj laal laba labi laca lacc laci lacl laia laic lail laja lala lali lall lbcc lbia lcac lcbc lcca lccc lcia liac liba libc lica liia liii lij- lija lila lilb lili lill ljla llcc lllc llll