a-ak a-ii aaaa aaab aaac aaai aaba aabb aabc aabi aabt aaca aacb aacc aaci aack aact aaib aaic aaii aaka aata aatc aatk aatt abaa abab abac abai abak abat abax abb- abba abbb abbi abbt abca abcb abcc abci abct abia abib abic abit abta ac-t acaa acab acac acai acat acba acca accc acci acct aci- acia acic acta actc acti actt aiai aiba aica aicc aiia aiib aiic aika aiki aita aiti aitt aixa aixi akaa akai akca akia akik akka akki at-t at-x ataa atab atac atai atak atat atax atca atcc atck atia atic atik atit atka atkt atta atti axat axi- axia ba-i ba-x baaa baak baat baba babb babi bac- baca bacc baci back bact baia baib baic baik bait baix bak- baka baki bakt bata batc bati batt baxi baxt bbbb bbci bcaa bcat bcbc bcca bccc bcci bcia bcit bctc biak biat biba bibb bibi bica bicc bici bick bita bitc bitt bitx bixa bixi btaa btcc btcx bttb caaa caab caac caat caba cabi cac- caca cacc caci cack caia caib caic caik cait caix caka cat- cata catb catc cati catt caxa cbac cbat cbax cbbc cbca cbcc cbct cbia cbit cbka cbta cbtc cbxa ccaa ccab ccac ccai ccat ccba ccbc ccca cccb cccc ccci ccic ccii ccix cctb cctc cctt ccxi ciaa ciak ciat ciba cibc cibi cica cicc cici cict ciia ciii ciit cika cita citb citi citt cixi ckac ckat ckbc ckbi ckbx ckck ckcx cktb ctab ctba ctbi ctca ctia ctic ctta cxii cxix cxxi cxxx iaaa iaac iaai iaat iaba iaca iacc iact iaia iata iatc iati ibac ibat ibca ibia ibtb ibtc icaa icab icac icai icat icbc icca iccb iccc icci icct icta iiac iica iiii iiit iita iitt ikat ikki itaa itac itai itak itat itia itic itta ixia ixxi k-ci kaaa kaab kaai kaak kaat kaba kabb kabc kabi kacb kacc kaci kact kaia kaib kaic kaii kaik kait kaka kakc kaki kakk kakt kakx kat- kata katb katc kati katk katt katx kaxa kbaa kbab kbac kbai kbak kbat kbba kbbb kbbc kbbi kbbk kbbt kbca kbcb kbci kbck kbct kbia kbib kbic kbik kbit kbix kbkb kbkk kbta kbtb kbtc kbtk kbtt kbxb kbxi kbxt kbxx kc-x kcaa kcab kcac kcai kcat kcba kcbc kcbi kcbk kcbx kcca kccb kccc kcci kcck kcct kcic kcii kcit kcix kckc kckk kckx kcta kctb kctc kcti kctx kiab kiac kiai kiba kibb kibc kibi kibt kica kicb kicc kick kict kicx kiia kiic kiii kiik kiit kiix kika kikc kiki kikk kikt kikx kita kitc kiti kitt kitx kixb kixi kixk kixt kixx kkaa kkac kkai kkat kkba kkbb kkbi kkbt kkcb kkci kkck kkct kkia kkic kkik kkit kkix kkkk kktc kktk kktx kkxa kkxk kkxt kkxx ktaa ktai ktak ktat ktba ktbb ktbc ktbt ktcc ktck ktcx ktia ktib ktic ktik ktix ktkb ktkc ktkk ktkt ktkx kttc ktti kttk kttt kttx ktxa ktxb ktxc ktxk ktxt kxaa kxac kxai kxba kxbt kxbx kxca kxci kxia kxic kxii kxit kxix kxkc kxkk kxkt kxkx kxta kxtc kxtk kxtt kxtx kxxi kxxk kxxt kxxx taa- taat taba tabb tabc tabi taca tacc taci tack tact taia taik tait taix taka taki takk takt tata tatb tati tatt tax- taxa taxi taxt tbca tbcb tbcc tbit tbta tcca tccc tctc tiaa tiab tiax tiba tibi tica ticc tick tiit tika tiki tita titc titi titt tixt tkac ttab ttbb tttt txaa txii xact xait xbai xcat xcii xica xiii xita xixi xxii xxix xxxi xxxx