a-a a-b a-c aaa aab aac aam aan aas aau ab- aba abb abc abm abn abs abu ac- aca acb acc acm acn acs acu ama amb amc amm amn ams amu an- ana anb anc anm ann ans anu as- asa asb asc asm asn ass asu au- aua aub auc aum aun aus b-u baa bab bac bam ban bas bau bba bbb bbc bbm bbn bbs bbu bca bcb bcc bcm bcn bcs bcu bma bmb bmc bmm bmn bms bmu bna bnb bnc bnn bns bnu bsa bsb bsc bsm bsn bss bsu bua bub buc bum bun bus buu c-- caa cab cac cam can cas cau cba cbb cbc cbm cbn cbs cbu cca ccb ccc ccm ccn ccs ccu cma cmb cmc cmm cmn cms cmu cn- cna cnb cnc cnm cnn cns cnu csa csb csc csm csn css csu cua cub cuc cum cun cus cuu maa mab mac mam man mas mau mba mbb mbc mbm mbs mbu mc- mca mcb mcc mcm mcn mcs mcu mma mmb mmc mmm mmn mms mmu mna mnb mnc mnm mnn mns mnu msa msb msc msm msn mss msu mua mub muc mum mun mus muu naa nab nac nam nan nas nau nba nbb nbc nbm nbn nbs nbu nca ncb ncc ncm ncn ncs ncu nma nmb nmc nmm nmn nms nmu nna nnb nnc nnm nnn nns nnu nsa nsb nsc nsm nsn nss nsu nua nub nuc num nun nus nuu saa sab sac sam san sas sau sba sbb sbc sbm sbn sbs sbu sca scb scc scm scn scs scu sma smb smc smm smn sms smu sna snb snc snm snn sns snu ss- ssa ssb ssc ssm ssn sss ssu sua sub suc sum sun sus suu ua- uaa uab uac uam uan uas uau uba ubb ubc ubn ubs ubu uca ucb ucc ucm ucn ucs ucu um- uma umb umc umm umn ums umu un- una unb unc unm unn uns unu usa usb usc usm usn uss usu uua uuc uum uun uus uuu

-ana a-un aaaa aaab aaac aaam aaan aaas aaba aabb aabc aabm aaca aacb aacc aacm aacn aacs aacu aama aamb aamc aamn aams aana aasa aasc aasm aass aasu aaus abaa abab abac abam aban abas abau abb- abba abbb abbs abca abcb abcc abcn abcs abma abmb abmc abms abnu abs- absa abss absu abua abum abun abus acaa acab acac acan acas acba acca accc accm accs accu acma acmc acms acmu acsa acsc acsm acss acu- acum acus amaa amac amam aman amas amb- amba ambn ambs ambu amca amcc amcs amm- amma ammu amns amsa amsc amsn amss amua amum amun ana- anaa anab anac anam anan anas anau anba anbb anbu anca ancc anma anmu anna annb anns ansa ansu anua anub anum anun anus asaa asab asac asam asan asas asau asba asbm asbu asc- asca ascb ascc asma asmm asms asnc assa assc assn asss assu asub asum asun asus auaa auca auma auna ausa ausm ausu baaa baam baan baas baba babb babm babs babu bac- baca bacc bacn bacs bama bamb bamc bamm bamn bams bamu bana banc bann bans banu basa basc bass basu bau- baum bbas bbau bbbb bbbs bbcm bcaa bcam bcas bcbc bcbs bcca bccc bccm bccs bcma bcms bcnu bcsa bcsc bcsm bcsn bcss bcuc bmaa bman bmus bnas bnss bsaa bsac bsam bsas bscs bsms bsns bssc bssm buba bubb bubs bubu buca bucc bucs bucu bum- buma bumb bums buna bunb bunn buns bunu busa busc buss busu buus caaa caab caac caam caan caas caba cabs cabu cac- caca cacc cacm cama camb camc camm cams cana canc cann cans casa casb casc casm cass casu cauc caum caus cbac cbbc cbbs cbca cbcc cbcm cbcn cbcs cbcu cbms cbna cbsa cbsc cbsm cbsn cbus ccaa ccab ccac ccam ccas ccba ccbc ccbn ccca cccb cccc cccm cccs cccu ccma ccmb ccmc ccmm ccms ccna ccnb ccnc ccnm ccns ccnu ccsa ccsn ccss ccuc ccus cmaa cmac cmas cmba cmbc cmbs cmcc cmcs cmmb cmmc cmmn cmms cmsa cmsc cmsn cmus cnaa cnac cnam cnas cnbc cnbm cnma cnna cnsa cnss csaa csab csac csas csbm cscb cscc cscs csma csmc csmu cssa cssm csua csum csus cuan cuau cub- cuba cubb cubs cuca cucc cucm cucn cum- cuma cums cuna cusa cusb cuss cusu maaa maac maam maan maas maba mabs mabu mac- maca macb macc macs macu mama mamc mams mamu man- mana manc mann mans manu masa masc masn mass masu maua maum maun maus mbac mbam mbas mbba mbbs mbca mbcs mbms mbna mbus mcaa mcac mcan mcas mcba mcbc mcca mccc mcmc mcsa mcss mmaa mmab mmac mman mmas mmcc mmcm mmcs mmmc mmmm mmms mmsc mmsu mmun mmus mnaa mnac mnam mnas mnba mnbb msaa msas msau msba msca mscc msma msmb msmc msmm msms msmu mssa mssm msun msus muac mubs muc- mucc mucu muma mumm mums mumu muna munc munn muns munu musa musc muss musu naaa naab naac naam naan naas naba nabc nabs nabu naca nacc nacm nacs nama namb namm nams namu nan- nana nanb nann nans nanu nas- nasa nasb nasc nasm nass nasu naum naus nbaa nbas nbbc nbca nbcc nbcs ncaa ncac ncba ncbc ncbs ncca nccc nccn nccs nccu ncmm ncna ncnc ncsa ncsc ncss ncua nman nmmc nnmc nnnn nnsa nnss nsaa nsac nsbm nsca nscc nscs nsmb nsmc nsna nssa nssb nssc nsss nsub nuan nuba nubc nubs nuca nucs nucu numa numb numm nums numu nuna nunc nunn nuns nuss nusu sa-c saab saac saam saan saas saba sabb sabc sabs sabu saca sacc sacn sacs sacu sam- sama samc samm samn sams samu sana sanm sann sans sanu sasa sasc sasm sass saua sauc saum saun saus sbaa sbac sbas sbbs sbca sbcc sbcs sbma sbmc sbsa sbus scaa