a-ha aaaa aaab aaah aaam aaba aabb aabh aabm aaha aama aamb aamo aaoo abaa abab abam abb- abba abbb abbo abha abhm abho abma abmb aboa abob aboh aboo ahab ahah aham ahha ahoa ahom amaa amah amam amb- amba ambo amm- amma ammo amob amoo aoah aoba aoma baaa baah baam baba babb babm babo baha baho bama bamb bamm baoh bbbb bhao bmaa boab boba bobb bobo boha bohm boho boma bomb boob booh boom haab haam haba habo haha haho hama hamm hamo hhaa hhhh hmhb hmmm hoam hoba hobo hoha hohm hoho hom- homa homo hoom maaa maam maba mabo maha maho mama mamo mbam mbba mhmm mmaa mmab mmhm mmmh mmmm moaa moab moam moba mobb mobo moha mohm moho moma momo mooa moob oama obba obbo oham ohba ohho ohob ohoh omam omao ombo omha omma omo- omoa omoo ooaa ooba ooha ooho ooma oooh oooo