a-a a-b a-c aaa aab aac aak aam aas aau ab- aba abb abc abk abm abs abu ac- aca acb acc ack acm acs acu aka akb akc akk akm aks aku ama amb amc amk amm ams amu as- asa asb asc ask asm ass asu au- aua aub auc auk aum aus b-u baa bab bac bak bam bas bau bba bbb bbc bbk bbm bbs bbu bca bcb bcc bck bcm bcs bcu bka bkb bkc bkk bkm bks bma bmb bmc bmk bmm bms bmu bsa bsb bsc bsk bsm bss bsu bua bub buc buk bum bus buu c-- caa cab cac cak cam cas cau cba cbb cbc cbk cbm cbs cbu cca ccb ccc cck ccm ccs ccu cka ckb ckc ckm cks cma cmb cmc cmk cmm cms cmu csa csb csc csk csm css csu cua cub cuc cuk cum cus cuu ka- kaa kab kac kak kam kas kau kba kbb kbc kbk kbm kbs kbu kca kcb kcc kck kcm kcs kcu kkb kkc kkk kkm kks kku kma kmb kmc kmk kmm kms kmu ksa ksb ksc ksk ksm kss ksu kub kuc kuk kum kus kuu maa mab mac mak mam mas mau mba mbb mbc mbk mbm mbs mbu mc- mca mcb mcc mck mcm mcs mcu mka mkb mkc mkk mkm mks mku mma mmb mmc mmk mmm mms mmu msa msb msc msk msm mss msu mua mub muc muk mum mus muu saa sab sac sak sam sas sau sba sbb sbc sbk sbm sbs sbu sca scb scc sck scm scs scu sk- ska skb skc skk skm sks sku sma smb smc smk smm sms smu ss- ssa ssb ssc ssk ssm sss ssu sua sub suc suk sum sus suu ua- uaa uab uac uak uam uas uau uba ubb ubc ubk ubs ubu uca ucb ucc uck ucm ucs ucu uka ukb ukc ukk uku um- uma umb umc umm ums umu usa usb usc usk usm uss usu uua uuc uum uus uuu

a-ak aaaa aaab aaac aaam aaas aaba aabb aabc aabm aaca aacb aacc aack aacm aacs aacu aaka aaku aama aamb aamc aams aasa aasc aasm aass aasu aaus abaa abab abac abak abam abas abau abb- abba abbb abbs abca abcb abcc abcs abma abmb abmc abms abs- absa abss absu abua abuk abum abus acaa acab acac acas acba acca accc accm accs accu acks acma acmc acms acmu acsa acsc acsm acss acu- acum acus akaa akam akas akca akka akku aksa aksu akua amaa amac amam amas amb- amba ambs ambu amca amcc amcs amka amm- amma ammu amsa amsc amss amua amum asaa asab asac asak asam asas asau asba asbm asbu asc- asca ascb ascc aska asks asma asmm asms assa assc assk asss assu asub asum asus auaa auca auks auma ausa ausm ausu baaa baak baam baas baba babb babm babs babu bac- baca bacc back bacs bak- baka baks baku bama bamb bamc bamm bams bamu basa basc bask bass basu bau- bauk baum bbas bbau bbbb bbbs bbcm bcaa bcam bcas bcbc bcbs bcca bccc bccm bccs bcma bcms bcsa bcsc bcsm bcss bcuc bmaa bmus bsaa bsac bsam bsas bscs bsms bssc bssm buba bubb bubs bubu buca bucc buck bucs bucu buka bukk buku bum- buma bumb bums busa busc busk buss busu buus caaa caab caac caam caas caba cabs cabu cac- caca cacc cack cacm caka cama camb camc camk camm cams casa casb casc cask casm cass casu cauc cauk caum caus cbac cbbc cbbs cbca cbcc cbcm cbcs cbcu cbka cbkm cbms cbsa cbsc cbsm cbus ccaa ccab ccac ccam ccas ccba ccbc ccca cccb cccc cccm cccs cccu cckm ccma ccmb ccmc ccmm ccms ccsa ccss ccuc ccus ckac ckbc ckck ckcm ckcs cksa cksb cmaa cmac cmas cmba cmbc cmbs cmcc cmcs cmmb cmmc cmms cmsa cmsc cmus csaa csab csac csak csas csbm cscb cscc cscs cska csks csma csmc csmu cssa cssm csua csum csus cuau cub- cuba cubb cubs cuca cucc cuck cucm cuk- cuka cum- cuma cums cusa cusb cusk cuss cusu kaaa kaab kaak kaam kaas kaba kabb kabc kabu kacb kacc kacs kacu kaka kakc kakk kakm kaks kaku kam- kama kamb kamc kamm kams kamu kas- kasa kasb kasc kask kasm kass kasu kau- kaub kauc kauk kaum kaus kbaa kbab kbac kbak kbam kbas kbba kbbb kbbc kbbk kbbm kbbs kbbu kbca kbcb kbck kbcs kbcu kbkb kbkk kbmb kbmc kbms kbsa kbsb kbsk kbsm kbss kbsu kbua kbub kbuc kbuk kbus kbuu kcaa kcab kcac kcam kcas kcau kcba kcbc kcbk kcbs kcbu kcca kccb kccc kcck kccu kckc kckk kckm kcmb kcmc kcmk kcmm kcms kcsa kcsb kcsc kcsm kcss kcsu kcua kcub kcuk kkaa kkac kkam kkba kkbb kkbs kkcb kkck kkcm kkcs kkkk kkma kkmc kkmk kkms kksa kksm kkss kksu kkua kkus kkuu kmac kmak kmam kmas kmbc kmbs kmca kmcb kmcc kmcm kmcs kmcu kmkk kmks kmmk kmmm kmms kmsa kmsb kmsc kmss kmsu kmuc kmus ksab ksac ksak ksam ksas ksau ksba ksbc ksbs ksca kscb ksck kscm kscs kscu kska kskb kskk ksks ksku ksma ksmb ksmc ksmm ksms ksmu kssa kssm ksss kssu ksua ksub ksum ksuu kuac kuam kuau kuba kubb kubc kubs kubu kuca kucb kucc kuka kukk kuks kuku kuma kumm kumu kusa kusb kusc kusu kuub kuuk kuuu maaa maac maak maam maas maba mabs mabu mac- maca macb macc mack macs macu maka maks maku mama mamc mams mamu masa masc mask mass masu maua mauk maum maus mbac mbam mbas mbba mbbs mbca mbcs mbms mbus mcaa mcac mcas mcba mcbc mcca mccc mckk mcmc mcsa mcss mkak mkks mksm mmaa mmab mmac mmas mmcc mmcm mmcs mmmc mmmm mmms mmsc mmsu mmus msaa msas msau msba msca mscc msma msmb msmc msmm msms msmu mssa mssm msus muac muak mubs muc- mucc