a-ha aaaa aaab aaac aaah aaba aabb aabc aabh aabt aaca aacb aacc aach aact aacu aaha aahz aata aatc aatt abaa abab abac abat abau abb- abba abbb abbt abca abcb abcc abch abct abha abta abtu abua abut abza abzu ac-t acaa acab acac acat acba acca accc acch acct accu acha achh acht achu acta actc acth actt actu acu- acut ahab ahac ahah ahat ahau ahaz ahha ahta ahua at-t ataa atab atac atat atca atcc atch atha atta attu atua atub atuc auaa auca auch auct auht aut- auth aza- azab azat azaz azca azua azza baaa baah baat baaz baba babb babu bac- baca bacc bach bact bacz baha baht bahu bata batc bath batt batu batz bau- baza bbau bbbb bbch bcaa bcat bcbc bcca bccc bctc bcuc bhat bhca bhcc bhut bhuu btaa btcc bttb buat buba bubb bubu buca bucc buch bucu bucz buha but- buta butt butz buuz buza buzz bzzt bzzz caaa caab caac caah caat caba cabu cac- caca cacc cach caha caht cat- cata catb catc cath catt catu catz cauc caut caza cazh cbac cbat cbbc cbca cbcc cbct cbcu cbha cbta cbtc ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccu ccha cctb cctc cctt ccuc ccut chaa chab chac chah chat chau chaz chca chch chha chtt chua chub chut ctab ctba ctca ctta cuau cub- cuba cubb cuca cucc cut- cuta cutc cuth cutt haab haat haba habt habu haha haht hata hatb hath hatt hatu hatz hau- haut hauz haza hbtu hcat hcbc hcca hccb hccc hcch hhaa hhat hhhh htab htcc huac huah huba hubb huch hucu huhu huta huth hutt hutu hutz huub huzz taa- taat taba tabb tabc tabu taca tacc tach tact taha tahu tata tatb tath tatt tatu tatz taua taub tauc taut taza tazz tbca tbcb tbcc tbta tcca tccc tccu tch- tcha tchh tchu tctc thaa that thau thca thch thtb ttab ttbb tttt tuat tuba tubb tubu tuca tucc tuch tuht tuhu tuta tutt tutu tuza tuzu tuzz tzut tzzt uabc uaca uata uath uatu uaua ubac ubba ucat ucbc ucca ucha ucua ucut uhta uhuh utac utah utau utha uttu uuta uuuu uzuh zaat zaba zabu zaca zach zaha zaza zazu zcta zctu zhuz zubu zuta zuzu zzhz zzzz