a-ha aaaa aaab aaac aaah aaam aaba aabb aabc aabh aabm aaca aacb aacc aach aacm aaha aama aamb aamc abaa abab abac abam abb- abba abbb abca abcb abcc abch abha abhm abma abmb abmc acaa acab acac acba acca accc acch accm acha achh acma acmc acmh ahab ahac ahah aham ahha ahmc amaa amac amah amam amb- amba amca amcc amm- amma baaa baah baam baba babb babm bac- baca bacc bach baha bama bamb bamc bamm bbbb bbch bbcm bcaa bcam bcbc bcca bccc bccm bcma bhca bhcc bmaa caaa caab caac caah caam caba cac- caca cacc cach cacm caha cama camb camc camh camm cbac cbbc cbca cbcc cbcm cbha ccaa ccab ccac ccam ccba ccbc ccca cccb cccc cccm ccha ccma ccmb ccmc ccmm chaa chab chac chah cham chca chch chcm chha chmb chmc cmaa cmac cmah cmba cmbc cmcc cmha cmhc cmmb cmmc haab haam haba haha hama hamc hamm hcbc hcca hccb hccc hcch hcmc hcmm hhaa hhhh hmhb hmmm maaa maac maam maba mac- maca macb macc mach maha mama mamc mbac mbam mbba mbca mcaa mcac mcba mcbc mcca mccc mcmc mhac mhmm mmaa mmab mmac mmcc mmcm mmhm mmmc mmmh mmmm