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 muck mucu muka muma mumm mums mumu musa musc musk muss musu sa-c saab saac saak saam saas saba sabb sabc sabs sabu saca sacc sack sacs sacu saka sakb sakk saks saku sam- sama samc samm sams samu sasa sasc sask sasm sass saua sauc sauk saum saus sbaa sbac sbas sbbs sbca sbcc sbcs sbma sbmc sbsa sbus scaa scab scac scak scam scas scba sccc sccm sccs sck- scma scmc scmm scms scsa scsc scsu scua scub scum skab skac skss skua skum smaa smac smak smas smba smbc smcc smkb 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 suck sucs suka suks suku sum- suma sums sumu sus- susa susk suss susu suum suus uabc uaca uamc uams uasa uaua ubac ubba ucak ucam ucas ucbc ucca ucka ucmc ucsa ucsb ucsc ucsm ucsu ucua ukba ukcc ukma uksa uksc ukum umaa umac umak umas umb- umba umka umma umms umsa umsu umus us-a us-k usaa usac usak usas usba usbc usbs usca uscc uscm uscs uska usma usmc usmm usms ussa ussb ussc usss ussu usua usus uuuu