a-ha aaaa aaab aaac aaah aaam aaba aabb aabc aabh aabm aaca aacb aacc aach aacm aaco aaha aama aamb aamc aamo aaoo abaa abab abac abam abb- abba abbb abbo abca abcb abcc abch abha abhm abho abma abmb abmc aboa abob aboh aboo acaa acab acac acba acca accc acch accm acco acha achh acho acma acmc acmh acoa acoh acom ahab ahac ahah aham ahha ahmc ahoa ahom amaa amac amah amam amb- amba ambo amca amcc amco amm- amma ammo amob amoc amoo aoah aoba aoca aoma baaa baah baam baba babb babm babo bac- baca bacc bach baco baha baho bama bamb bamc bamm baoh bbbb bbch bbcm bcaa bcam bcbc bcca bccc bccm bcma bhao bhca bhcc bmaa bmoc boab boac boba bobb bobo boca boch bocm boco boha bohm boho boma bomb boob booc booh boom c-bo caaa caab caac caah caam caba cabo cac- caca cacc cach cacm caco caha cama camb camc camh camm camo cbac cbbc cbca cbcc cbcm cbha ccaa ccab ccac ccam ccba ccbc ccca cccb cccc cccm ccha ccma ccmb ccmc ccmm ccob ccoc ccom chaa chab chac chah cham chao chca chch chcm chha chmb chmc chmo choc choh choo cmaa cmac cmah cmba cmbc cmcc cmha cmhc cmmb cmmc cmoc coba cobb cobh cobo coca coch coco coha coho com- coma comb comc comm como coob cooh coom haab haam haba habo haco haha haho hama hamc hamm hamo hboc hcbc hcca hccb hccc hcch hcmc hcmm hhaa hhhh hmhb hmmm hoac hoam hoba hobo hoca hoch hoha hohm hoho hom- homa homo hoom maaa maac maam maba mabo mac- maca macb macc mach maco maha maho mama mamc mamo maoc mbac mbam mbba mbca mcaa mcac mcba mcbc mcca mccc mcmc mhac mhmm mmaa mmab mmac mmcc mmcm mmhm mmmc mmmh mmmm moaa moab moac moam moba mobb mobo moca moch moco moha mohm moho moma momo mooa moob mooc oama obba obbo ocab ocac ocam ocbc occa occc ocha ocma ocom oham ohba ohcc ohho ohob ohoh omac omam omao ombo omca omha omma omo- omoa omoo ooaa ooba ooha ooho ooma oooh oooo