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 abag abai abal abb- abba abbb abbi abca abcb abcc abci abcl abgl abia abib abic abig abil abla acaa acab acac acag acai acba acbl acca accc acci acga acgi aci- acia acic acla aclc acli agac agag agai agal agba agca agcc agga aggi agia agib agic agig agii agil agla aglc agli aiai aiba aibl aica aicc aiga aiia aiib aiic aila aili alaa alac alag alai alal alb- alba albc albi alca alcc alg- alga algi ali- alia alib alig alii alil all- alla alli alll ba-i baaa baal baba babb babi bac- baca bacc baci baga bagg bagi baia baib baic baig bail bala balc bali ball bbbb bbci bbga bblb bcaa bcbc bcbg bcca bccc bcci bccl bcia bgca bgia bial biba bibb bibi bibl bica bicc bicg bici biga bigb bigc bigg bila bili bill blaa blab blac blag blic caaa caab caac caal caba cabg cabi cac- caca cacc caci caga cagg cagi caia caib caic cail cala calc cali call cbac cbal cbbc cbca cbcc cbcl cbga cbgb cbia cblb cblc ccaa ccab ccac ccag ccai ccba ccbc ccca cccb cccc ccci cccl ccga ccgc ccic ccii ccil ccla cclc cclg ccli cgac cgal cgcc cgcg ciaa cial ciba cibc cibi cica cicc cici ciga cigi ciia ciii cila cili cill clab clag clai clib clic clig clii gaal gaba gabb gabi gabl gaga gagg gagi gaia gaig gail gala gali gall gbag gc-c gcaa gcal gcbc gccc gcic gcii gclc ggcl gggg giaa giac giai gial giba gibb gica giga gigg gigi gila gilg gili gill glaa glab glbc glcc gli- glia glib glic iaaa iaac iaai iaal iaba iaca iacc iaia iala iall ibac ibca ibga ibia icaa icab icac icag icai ical icbc icca iccb iccc icci iccl icga icgc icll igac igal igba igbc igcc igga igia igil igla igli iiac iica iiii iila ilac ilag ilal ilbc ilca ilia ilic ill- illa illi laaa laac laag laal laba labi laca lacc laci lacl lag- laga lagg laia laic lail lala lali lall lbcc lbia lcac lcbc lcca lccc lcia lgca liac liba libc lica liga ligc ligg ligi liia liig liii lila lilb lilg lili lill llcc llgc lllc llll