a-ak a-ii aaaa aaab aaac aaai aaba aabb aabc aabi aaca aacb aacc aaci aack aacu aaib aaic aaii aaka aaku abaa abab abac abai abak abau abb- abba abbb abbi abca abcb abcc abci abia abib abic abiu abua abuk acaa acab acac acai acba acca accc acci accu aci- acia acic acu- aiai aiba aica aicc aiia aiib aiic aika aiki aiui akaa akai akca akia akik akiu akka akki akku akua auaa auca auci auki ba-i baaa baak baba babb babi babu bac- baca bacc baci back baia baib baic baik bak- baka baki baku bau- bauk bbau bbbb bbci bcaa bcbc bcca bccc bcci bcia bcuc biak biba bibb bibi bica bicc bici bick biku buba bubb bubi bubu buca bucc buci buck bucu buic buik buiu buka buki bukk buku caaa caab caac caba cabi cabu cac- caca cacc caci cack caia caib caic caik caiu caka cauc cauk cbac cbbc cbca cbcc cbcu cbia cbka ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci cccu ccic ccii ccuc ciaa ciak ciau ciba cibc cibi cica cicc cici cicu ciia ciii cika ciuc ckac ckbc ckbi ckck cuau cub- cuba cubb cubi cuca cucc cuci cuck cui- cuk- cuka iaaa iaac iaai iaba iaca iacc iacu iaia ibac ibca ibia icaa icab icac icai icbc icca iccb iccc icci iccu icub iiac iica iiii iiuc ikki iucc iuiu iuka k-ci kaaa kaab kaai kaak kaba kabb kabc kabi kabu kacb kacc kaci kacu kaia kaib kaic kaii kaik kaiu kaka kakc kaki kakk kaku kau- kaub kauc kaui kauk kbaa kbab kbac kbai kbak kbba kbbb kbbc kbbi kbbk kbbu kbca kbcb kbci kbck kbcu kbia kbib kbic kbik kbiu kbkb kbkk kbua kbub kbuc kbuk kbuu kcaa kcab kcac kcai kcau kcba kcbc kcbi kcbk kcbu kcca kccb kccc kcci kcck kccu kcic kcii kciu kckc kckk kcua kcub kcui kcuk kiab kiac kiai kiba kibb kibc kibi kibu kica kicb kicc kick kiia kiic kiii kiik kiiu kika kikc kiki kikk kiku kiuu kkaa kkac kkai kkba kkbb kkbi kkcb kkci kkck kkia kkic kkik kkkk kkua kkuu kuac kuai kuau kuba kubb kubc kubu kuca kucb kucc kuci kuic kuik kuka kuki kukk kuku kuub kuuk kuuu uabc uaca uaua ubac ubba ubbi ubic ubii ubik ucai ucak ucbc ucca ucci ucka ucua uica ukai ukba ukcc uuuu