a-ha aaaa aaab aaac aaah aaam aaba aabb aabc aabh aabm aabt aaca aacb aacc aach aacm aact aaha aama aamb aamc aata aatc aatt abaa abab abac abam abat abb- abba abbb abbt abca abcb abcc abch abct abha abhm abma abmb abmc abmt abta ac-t acaa acab acac acat acba acca accc acch accm acct acha achh acht acma acmc acmh acta actc acth actt ahab ahac ahah aham ahat ahha ahmc ahta amaa amac amah amam amat amb- amba amca amcc amm- amma amta amtc at-t ataa atab atac atat atca atcc atch atha atm- atma atta baaa baah baam baat baba babb babm bac- baca bacc bach bact baha baht bama bamb bamc bamm bata batc bath batt bbbb bbch bbcm bcaa bcam bcat bcbc bcca bccc bccm bcma bctc bhat bhca bhcc bmaa bmtc btaa btcc bttb caaa caab caac caah caam caat caba cac- caca cacc cach cacm caha caht cama camb camc camh camm camt cat- cata catb catc cath catm catt cbac cbat cbbc cbca cbcc cbcm cbct cbha cbta cbtc ccaa ccab ccac ccam ccat ccba ccbc ccca cccb cccc cccm ccha ccma ccmb ccmc ccmm cctb cctc cctt chaa chab chac chah cham chat chca chch chcm chha chmb chmc chmt chtm chtt cmaa cmac cmah cmba cmbc cmcc cmha cmhc cmmb cmmc cmta cmtc ctab ctba ctca ctma ctta haab haam haat haba habt haha haht hama hamc hamm hamt hata hatb hath hatt hcat hcbc hcca hccb hccc hcch hcmc hcmm hhaa hhat hhhh hmhb hmmm hmta htab htcc httm maaa maac maam maat maba mac- maca macb macc mach mact maha mama mamc mata matc math matt mbac mbam mbba mbca mbta mcaa mcac mcat mcba mcbc mcca mccc mcht mcmc mcmt mctc mhac mhmm mmaa mmab mmac mmcc mmcm mmct mmhm mmmc mmmh mmmm mtaa mtab mtac mtbc taa- taat taba tabb tabc taca tacc tach tact taha tama tamc tamm tata tatb tath tatt tbca tbcb tbcc tbta tcam tcca tccc tch- tcha tchh tctc thaa tham that thca thch thmb thmt thtb tmaa tmac tmbc tmca tmcc tmcm tmtt ttab ttbb ttma tttt