a-ha aaaa aaab aaac aaah aaam aaar aaas aaba aabb aabc aabh aabm aaca aacb aacc aach aacm aacr aacs aaha aahs aama aamb aamc aamr aams aara aarc aarm aars aasa aasc aasm aass abaa abab abac abam abar abas abb- abba abbb abbr abbs abca abcb abcc abch abcr abcs abha abhm abhr abhs abma abmb abmc abms abra abrc abrs abs- absa abss acaa acab acac acar acas acba acca accc acch accm accs acha achh achr achs acma acmc acmh acms acr- acra acrc acrm acrr acrs acsa acsc acsm acss ahab ahac ahah aham ahar ahas ahha ahhs ahmc ahms ahra ahrc ahrr ahrs ahsa ahss amaa amac amah amam amar amas amb- amba ambr ambs amca amcc amcs amhs amm- amma amra amrc amsa amsc amss arab arac arah aram arar aras arba arbh arbs arc- arca arch arcm arcs arh- arhs arma armc armh armm arms arr- arra arrc arrh arrr arrs ars- arsa arsc asaa asab asac asah asam asar asas asba asbm asc- asca ascb ascc asch ascr asha ashs asma asmm asmr asms asra asrc asrm asrs assa assc assh assr asss baaa baah baam baar baas baba babb babm babr babs bac- baca bacc bach bacs baha bahr bahs bama bamb bamc bamm bams bar- bara barb barc barh barm barr bars basa basc bash bass bbas bbbb bbbs bbch bbcm bbhs bbrc bcaa bcam bcar bcas bcbc bcbs bcca bccc bccm bccs bchs bcma bcms bcra bcrs bcsa bcsc bcsm bcss bhar bhca bhcc bhhs bhms bhra bmaa bmhs brab brac brah bram bras brca brcb brhs brmc brrm brrr brrs brsb brsr bsaa bsac bsam bsas bscs bshs bsms bsra bsrm bssc bssm caaa caab caac caah caam caas caba cabs cac- caca cacc cach cacm cacr caha cahs cama camb camc camh camm cams cara carb carc carm carr cars casa casb casc cash casm casr cass cbac cbar cbbc cbbs cbca cbcc cbcm cbcr cbcs cbha cbhs cbms cbrh cbrm cbsa cbsc cbsm ccaa ccab ccac ccam ccar ccas ccba ccbc ccca cccb cccc cccm cccs ccha cchr cchs ccma ccmb ccmc ccmm ccms ccra ccrc ccrs ccsa ccss chaa chab chac chah cham char chas chca chch chcm chcs chha chhs chmb chmc chms chra chrb chrc chrr chrs chsc chsh chsm chsr cmaa cmac cmah cmas cmba cmbc cmbs cmcc cmcs cmha cmhc cmhs cmmb cmmc cmms cmra cmrr cmrs cmsa cmsc crab crac cram crar cras crbc crca crcc crcr crhs crmb crms crsa crss csaa csab csac csar csas csbm cscb cscc csch cscr cscs cshs csma csmc csra csrc csrs cssa cssm cssr haab haam haar haas haba habs hacs haha hahs hama hamc hamm hamr hams hara harc harh harm harr hars hasa hasc hash hass hbar hbbs hbhs hbms hbrs 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 hrac hras hrhs hrrc hsac hsam hsas hsbc hscc hshs hsmm maaa maac maam maar maas maba mabs mac- maca macb macc mach macr macs maha mahr mahs mama mamc mams mar- mara marc marm marr mars masa masc mash masr mass mbac mbam mbas mbba mbbs mbca mbcs mbhs mbms mbrs mcaa mcac mcas mcba mcbc mcca mccc mchs mcmc mcrc mcsa mcss mhac mhhs mhmm mhmr mhra mhsa mhsc mmaa mmab mmac mmar mmas mmcc mmcm mmcs mmhm mmhs mmmc mmmh mmmm mmms mmrc mmsc mr-c mrac mras mrbb mrbm mrbs mrca mrcb mrcc mrcs mrhs mrmc mrrc mrsa mrsc msaa msar msas msba msca mscc msha mshb mshs msma msmb msmc msmm msms msra msrb mssa mssm mssr raab raam raas raba rabb rabs rac- raca racc rach racs raha rahm rahr rahs rama ramb ramm rams rara rarb rars rasa rasc rash rasm rass rbbb rbbr rbbs rbhs rbms rbss rcac rcas rcbc rccb rccc rccs rchb rchm rchs rcms rcsa rcsc rcss rhcm rhhs rhsm rmas rmbs rmhs rmsc rrah rras rrhs rrmc rrrr rsaa rscc rsch rscs rshs rsma rssa sa-c saab saac saah saam saar saas saba sabb sabc sabr sabs saca sacc sacr sacs saha sahm sahr sahs sam- sama samc samm sams sara sarc sarh sarm sarr sars sasa sasc sash sasm sass sbaa sbac sbar sbas sbbs sbca sbcc sbcs sbhc sbhs sbma sbmc sbsa scaa scab scac scam scar scas scba sccc sccm sccs sch- scha schh schr schs scma scmc scmm scms scr- scra scrc scrs scsa scsc scsh scsr shab shac shah sham shar shas shbm shbs shca shcc shha shhh shhs shm- shrs shsc smaa smac smas smba smbc smbh smcc smch smhs smsc smsh smss sram sras srbc srcc srch srhs srmc ssaa ssab ssac ssam ssas ssbr ssca sscc sscs sshs ssmc ssra ssrc ssrm ssrs sssa sssb sssc sssh sssm ssss