a-ha aaaa aaab aaac aaah aaam aaas aaba aabb aabc aabh aabm aaca aacb aacc aach aacm aacs aaha aahs aama aamb aamc aams aasa aasc aasm aass abaa abab abac abam abas abb- abba abbb abbs abca abcb abcc abch abcs abha abhm abhs abma abmb abmc abms abs- absa abss acaa acab acac acas acba acca accc acch accm accs acha achh achs acma acmc acmh acms acsa acsc acsm acss ahab ahac ahah aham ahas ahha ahhs ahmc ahms ahsa ahss amaa amac amah amam amas amb- amba ambs amca amcc amcs amhs amm- amma amsa amsc amss asaa asab asac asah asam asas asba asbm asc- asca ascb ascc asch asha ashs asma asmm asms assa assc assh asss baaa baah baam baas baba babb babm babs bac- baca bacc bach bacs baha bahs bama bamb bamc bamm bams basa basc bash bass bbas bbbb bbbs bbch bbcm bbhs bcaa bcam bcas bcbc bcbs bcca bccc bccm bccs bchs bcma bcms bcsa bcsc bcsm bcss bhca bhcc bhhs bhms bmaa bmhs bsaa bsac bsam bsas bscs bshs bsms bssc bssm caaa caab caac caah caam caas caba cabs cac- caca cacc cach cacm caha cahs cama camb camc camh camm cams casa casb casc cash casm cass cbac cbbc cbbs cbca cbcc cbcm cbcs cbha cbhs cbms cbsa cbsc cbsm ccaa ccab ccac ccam ccas ccba ccbc ccca cccb cccc cccm cccs ccha cchs ccma ccmb ccmc ccmm ccms ccsa ccss chaa chab chac chah cham chas chca chch chcm chcs chha chhs chmb chmc chms chsc chsh chsm cmaa cmac cmah cmas cmba cmbc cmbs cmcc cmcs cmha cmhc cmhs cmmb cmmc cmms cmsa cmsc csaa csab csac csas csbm cscb cscc csch cscs cshs csma csmc cssa cssm haab haam haas haba habs hacs haha hahs hama hamc hamm hams hasa hasc hash hass hbbs hbhs hbms hbss hcbc hcbs hcca hccb hccc hcch hccs hchs hcmc hcmm hcms hcsa hcsc hcss hhaa hhhh hhhs hhms hmas hmbs hmcs hmhb hmhs hmmm hmms hmsa hmsm hsac hsam hsas hsbc hscc hshs hsmm maaa maac maam maas maba mabs mac- maca macb macc mach macs maha mahs mama mamc mams masa masc mash mass mbac mbam mbas mbba mbbs mbca mbcs mbhs mbms mcaa mcac mcas mcba mcbc mcca mccc mchs mcmc mcsa mcss mhac mhhs mhmm mhsa mhsc mmaa mmab mmac mmas mmcc mmcm mmcs mmhm mmhs mmmc mmmh mmmm mmms mmsc msaa msas msba msca mscc msha mshb mshs msma msmb msmc msmm msms mssa mssm sa-c saab saac saah saam saas saba sabb sabc sabs saca sacc sacs saha sahm sahs sam- sama samc samm sams sasa sasc sash sasm sass sbaa sbac sbas sbbs sbca sbcc sbcs sbhc sbhs sbma sbmc sbsa scaa scab scac scam scas scba sccc sccm sccs sch- scha schh schs scma scmc scmm scms scsa scsc scsh shab shac shah sham shas shbm shbs shca shcc shha shhh shhs shm- shsc smaa smac smas smba smbc smbh smcc smch smhs smsc smsh smss ssaa ssab ssac ssam ssas ssca sscc sscs sshs ssmc sssa sssb sssc sssh sssm ssss