a-a a-b a-c aaa aab aac aam aas aau ab- aba abb abc abm abs abu ac- aca acb acc acm acs acu ama amb amc amm ams amu as- asa asb asc asm ass asu au- aua aub auc aum aus b-u baa bab bac bam bas bau bba bbb bbc bbm bbs bbu bca bcb bcc bcm bcs bcu bma bmb bmc bmm bms bmu bsa bsb bsc bsm bss bsu bua bub buc bum bus buu c-- caa cab cac cam cas cau cba cbb cbc cbm cbs cbu cca ccb ccc ccm ccs ccu cma cmb cmc cmm cms cmu csa csb csc csm css csu cua cub cuc cum cus cuu maa mab mac mam mas mau mba mbb mbc mbm mbs mbu mc- mca mcb mcc mcm mcs mcu mma mmb mmc mmm mms mmu msa msb msc msm mss msu mua mub muc mum mus muu saa sab sac sam sas sau sba sbb sbc sbm sbs sbu sca scb scc scm scs scu sma smb smc smm sms smu ss- ssa ssb ssc ssm sss ssu sua sub suc sum sus suu ua- uaa uab uac uam uas uau uba ubb ubc ubs ubu uca ucb ucc ucm ucs ucu um- uma umb umc umm ums umu usa usb usc usm uss usu uua uuc uum uus uuu

aaaa aaab aaac aaam aaas aaba aabb aabc aabm aaca aacb aacc aacm aacs aacu aama aamb aamc aams aasa aasc aasm aass aasu aaus abaa abab abac abam abas abau abb- abba abbb abbs abca abcb abcc abcs abma abmb abmc abms abs- absa abss absu abua abum abus acaa acab acac acas acba acca accc accm accs accu acma acmc acms acmu acsa acsc acsm acss acu- acum acus amaa amac amam amas amb- amba ambs ambu amca amcc amcs amm- amma ammu amsa amsc amss amua amum asaa asab asac asam asas asau asba asbm asbu asc- asca ascb ascc asma asmm asms assa assc asss assu asub asum asus auaa auca auma ausa ausm ausu baaa baam baas baba babb babm babs babu bac- baca bacc bacs bama bamb bamc bamm bams bamu basa basc bass basu bau- 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 bucs bucu bum- buma bumb bums busa busc buss busu buus caaa caab caac caam caas caba cabs cabu cac- caca cacc cacm cama camb camc camm cams casa casb casc casm cass casu cauc caum caus cbac cbbc cbbs cbca cbcc cbcm cbcs cbcu cbms cbsa cbsc cbsm cbus ccaa ccab ccac ccam ccas ccba ccbc ccca cccb cccc cccm cccs cccu ccma ccmb ccmc ccmm ccms ccsa ccss ccuc ccus cmaa cmac cmas cmba cmbc cmbs cmcc cmcs cmmb cmmc cmms cmsa cmsc cmus csaa csab csac csas csbm cscb cscc cscs csma csmc csmu cssa cssm csua csum csus cuau cub- cuba cubb cubs cuca cucc cucm cum- cuma cums cusa cusb cuss cusu maaa maac maam maas maba mabs mabu mac- maca macb macc macs macu mama mamc mams mamu masa masc mass masu maua maum maus mbac mbam mbas mbba mbbs mbca mbcs mbms mbus mcaa mcac mcas mcba mcbc mcca mccc mcmc mcsa mcss 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 mubs muc- mucc mucu muma mumm mums mumu musa musc muss musu sa-c saab saac saam saas saba sabb sabc sabs sabu saca sacc sacs sacu sam- sama samc samm sams samu sasa sasc sasm sass saua sauc saum saus sbaa sbac sbas sbbs sbca sbcc sbcs sbma sbmc sbsa sbus scaa scab scac scam scas scba sccc sccm sccs scma scmc scmm scms scsa scsc scsu scua scub scum smaa smac smas smba smbc smcc smsc smss smus ssaa ssab ssac ssam ssas ssau ssca sscc sscs ssmc sssa sssb sssc sssm ssss suam suas sub- suba subb subm subs suc- succ sucs sum- suma sums sumu sus- susa suss susu suum suus uabc uaca uamc uams uasa uaua ubac ubba ucam ucas ucbc ucca ucmc ucsa ucsb ucsc ucsm ucsu ucua umaa umac umas umb- umba umma umms umsa umsu umus us-a usaa usac usas usba usbc usbs usca uscc uscm uscs usma usmc usmm usms ussa ussb ussc usss ussu usua usus uuuu

-aaa- a-mac aaaam aaaas aaasa aaass aabaa aabba aacbc aacms aacsa aacsb aacsm aacss aacus aamsa abaab ababa ababs ababu abaca abacs abasa abass abbac abbas abcam abcas abccc absam acaca acacb acass acaua accas accub accum accus acuba acusa amaas amama amasa amass amaua ambac ambam ambas ammas amusa asaba asabc asama asasa asbca asbms ascum ascus asmaa assab assac assam assas asubs auass aubas aucas ausma aussa b-cas b-mac baama babam babas babau babbs babum babus bacab bacas bacca bacu bacum bamba bambs bambu bamma bamum basab basca basma basmu bassa bassu bauma baums bbuss bccma bsaba bubas bubba bucca bucsa bucsu bucum bumba bumbu busaa busca bussa bussu busua busum busuu c-a-c c-bus c-mac ca-ca caaba caama cabas cabus cacas cacau cacu cacus camac camas camau camba cambs camma camus casas casca casma casus cauac cauas cauca cauma causa ccass ccccc cccma csaba cuaba cubam cubas cubub cucma cumbu cumm- cusum ma-ma maams maass mabus macac macas macau macca maccu mamas mamba mambu mamma masam masas masca massa massu masua masum masus mauma mauss mbama mbamu mbccs mbuma mcbbs mccaa mcusa mmccc mmmcc mmmmm msasa mucum mucus mumba mumcu mumma mummu musau musc- musca mussa muusa s-bus s-cam saaba saabs saasa saasu sabac sabam sabas sabau sabca sabsa sabus sacas sacc- sacca sacsa samas samau samba sambu samca samma samms samsa samsu samum samus sasca sassa sauba sauca scabs scams scaum sccbc scsaa scuba scum- scumm