a-a a-b a-c a-t aaa aab aac aak aam aas aat aau ab- aba abb abc abk abm abs abt abu ac- aca acb acc ack acm acs act acu aka akb akc akk akm aks aku ama amb amc amk amm ams amt amu as- asa asb asc ask asm ass ast asu at- ata atb atc atm ats att atu au- aua aub auc auk aum aus aut b-u baa bab bac bak bam bas bat bau bba bbb bbc bbk bbm bbs bbt bbu bca bcb bcc bck bcm bcs bct bcu bka bkb bkc bkk bkm bks bkt bma bmb bmc bmk bmm bms bmt bmu bsa bsb bsc bsk bsm bss bst bsu bta btb btc btk btm bts btt btu bua bub buc buk bum bus but buu c-- caa cab cac cak cam cas cat cau cba cbb cbc cbk cbm cbs cbt cbu cca ccb ccc cck ccm ccs cct ccu cka ckb ckc ckm cks ckt cma cmb cmc cmk cmm cms cmt cmu csa csb csc csk csm css cst csu cta ctb ctc ctk ctm cts ctt ctu cua cub cuc cuk cum cus cut cuu k-t ka- kaa kab kac kak kam kas kat kau kba kbb kbc kbk kbm kbs kbu kca kcb kcc kck kcm kcs kct kcu kkb kkc kkk kkm kks kkt kku kma kmb kmc kmk kmm kms kmt kmu ksa ksb ksc ksk ksm kss kst ksu kta ktb ktc ktk ktm kts ktt ktu kub kuc kuk kum kus kut kuu maa mab mac mak mam mas mat mau mba mbb mbc mbk mbm mbs mbt mbu mc- mca mcb mcc mck mcm mcs mct mcu mka mkb mkc mkk mkm mks mkt mku mma mmb mmc mmk mmm mms mmt mmu msa msb msc msk msm mss mst msu mta mtb mtc mtk mtm mts mtt mtu mua mub muc muk mum mus mut muu saa sab sac sak sam sas sat sau sba sbb sbc sbk sbm sbs sbt sbu sca scb scc sck scm scs sct scu sk- ska skb skc skk skm sks skt sku sma smb smc smk smm sms smt smu ss- ssa ssb ssc ssk ssm sss sst ssu sta stb stc stk stm sts stt stu sua sub suc suk sum sus sut suu taa tab tac tak tam tas tat tau tba tbb tbc tbk tbm tbs tbt tbu tca tcb tcc tck tcm tcs tct tcu tka tkb tkc tkk tkm tks tkt tma tmb tmc tmk tmm tms tmt tmu tsa tsb tsc tsk tsm tss tst tsu tta ttb ttc ttk ttm tts ttt ttu tua tub tuc tuk tum tus tut tuu ua- uaa uab uac uak uam uas uat uau uba ubb ubc ubk ubs ubt ubu uca ucb ucc uck ucm ucs uct ucu uka ukb ukc ukk uku um- uma umb umc umm ums umt umu usa usb usc usk usm uss ust usu uta utb utc utk utm uts utt utu uua uuc uum uus uut uuu

a-ak aaaa aaab aaac aaam aaas aaba aabb aabc aabm aabt aaca aacb aacc aack aacm aacs aact aacu aaka aaku aama aamb aamc aams aasa aasc aasm aass aast aasu aata aatc aatk aatt aaus abaa abab abac abak abam abas abat abau abb- abba abbb abbs abbt abca abcb abcc abcs abct abma abmb abmc abms abmt abs- absa abss absu abta abts abtu abua abuk abum abus abut ac-t acaa acab acac acas acat acba acca accc accm accs acct accu acks acma acmc acms acmu acsa acsc acsm acss acst acta actc acts actt actu acu- acum acus acut akaa akam akas akca akka akku aksa akst aksu akua amaa amac amam amas amat amb- amba ambs ambu amca amcc amcs amka amm- amma ammu amsa amsc amss amst amta amtc amtk amts amua amum asaa asab asac asak asam asas asat asau asba asbm asbu asc- asca ascb ascc asct aska asks askt asma asmm asms asmt assa assc assk asss asst assu asta astb astc astm asts asub asum asus at-t ataa atab atac atak atas atat atbs atca atcc atck atcs atka atkt atm- atma atms atmu atsb atsc atst atta atts attu atua atub atuc atuk atum atus auaa auca auct auks auma ausa ausm aust ausu aut- auts baaa baak baam baas baat baba babb babm babs babu bac- baca bacc back bacs bact bak- baka baks bakt baku bama bamb bamc bamm bams bamu basa basc bask bass bast basu bata batc bats batt batu bau- bauk baum bbas bbau bbbb bbbs bbcm bcaa bcam bcas bcat bcbc bcbs bcca bccc bccm bccs bcma bcms bcsa bcsc bcsm bcss bctc bcts bcuc bmaa bmtc bmts bmus bsaa bsac bsam bsas bsat bscs bskt bsms bsmt bssc bssm bsts btaa btcc btcs btss bttb btus buat buba bubb bubs bubu buca bucc buck bucs bucu buka bukk buku bum- buma bumb bums busa busc busk buss bust busu but- buta buts butt buus caaa caab caac caam caas caat caba cabs cabu cac- caca cacc cack cacm caka cama camb camc camk camm cams camt casa casb casc cask casm cass cast casu cat- cata catb catc catm cats catt catu cauc cauk caum caus caut cbac cbat cbbc cbbs cbca cbcc cbcm cbcs cbct cbcu cbka cbkm cbms cbsa cbsc cbsm cbta cbtc cbus ccaa ccab ccac ccam ccas ccat ccba ccbc ccca cccb cccc cccm cccs cccu cckm ccma ccmb ccmc ccmm ccms ccsa ccss ccst cctb cctc cctt ccuc ccus ccut ckac ckat ckbc ckck ckcm ckcs cksa cksb ckst cktb ckts cmaa cmac cmas cmba cmbc cmbs cmcc cmcs cmmb cmmc cmms cmsa cmsc cmst cmta cmtc cmtu cmus csaa csab csac csak csas csat csbm cscb cscc cscs cska csks csma csmc csmu cssa cssm csta cstc cstm csts csua csum csus ctab ctba ctbs ctca ctma ctsa ctsc ctss ctsu ctta ctts