a-ha aaaa aaab aaah aaam aaar aaba aabb aabh aabm aaha aama aamb aamo aamr aaoo aara aarm aaro abaa abab abam abar abb- abba abbb abbo abbr abha abhm abho abhr abma abmb aboa abob aboh aboo abor abra abro ahab ahah aham ahar ahha ahoa ahom ahor ahra ahrr amaa amah amam amar amb- amba ambo ambr amm- amma ammo amob amoo amor amra amro aoah aoba aoma aora aorb arab arah aram arar arba arbh arh- arma armh armm armo aroa arob arom aroo aror arr- arra arrh arro arrr baaa baah baam baar baba babb babm babo babr baha baho bahr bama bamb bamm baoh bar- bara barb barh barm baro barr bbbb bhao bhar bhor bhra bmaa boab boar boba bobb bobo boha bohm boho bohr boma bomb boob booh boom boor bor- bora borh borm boro borr brab brah bram brao broa brob broh brom broo bror brrm brrr haab haam haar haba habo haha haho hama hamm hamo hamr haor hara harh harm haro harr hbar hhaa hhhh hmhb hmmm hoam hoar hoba hobo hoha hohm hoho hom- homa homo homr hoom hoor hora horo horr hrob maaa maam maar maba mabo maha maho mahr mama mamo maor mar- mara marm maro marr mbam mbba mhmm mhmr mhor mhra mmaa mmab mmar mmhm mmmh mmmm mmor moaa moab moam moar moba mobb mobo moha mohm moho mohr moma momo mooa moob moor mora morb moro mrbb mrbm oama oara obba obbo obor obra obrh obro oham ohba ohho ohob ohoh ohra omam omao omar ombo omha omma omo- omoa omoo omor omra omro ooaa ooba ooha ooho ooma oooh oooo oora orab orah oram orao orar orba orbb orbo orma ormo oro- orom oror orra orro raab raam raba rabb rabo raha rahm rahr rama ramb ramm ramo raob raoh raom rara rarb raro rbbb rbbr rboh rhoa rhob rhoh roab roam roar rob- roba robb robo roha rohm rohr roma romb romm romo roob room roor rora roro rrah rrrr