aaaa aaab aaam aaar aaba aabb aabm aama aamb aamo aamr aaoo aara aarm aaro abaa abab abaj abam abar abb- abba abbb abbo abbr abma abmb aboa abob aboo abor abra abro ajab ajam ajao ajar ajba ajob ajoo amaa amaj amam amar amb- amba ambo ambr amm- amma ammo amob amoj amoo amor amra amro aoba aoma aora aorb arab aram arar arba arja arjo arma armm armo aroa arob arom aroo aror arr- arra arro arrr baaa baam baar baba babb babm babo babr baja bama bamb bamm bar- bara barb barm baro barr bbbb bjoa bmaa bmaj boab boar boba bobb bobo bojo boma bomb boob boom boor bor- bora borj borm boro borr brab braj bram brao broa brob brom broo bror brrm brrr j-ro jaar jaba jabo jabr jaja jama jamb jamo jara jarm jaro jarr jbaa jbar jbob jjam jjar joab joao joar joba jobo jojo joma jomo joom joor jora joro jrbr maaa maam maar maba mabo maja majo mama mamo maor mar- mara marj marm maro marr mbam mbba mmaa mmab mmar mmjb mmmm mmor moaa moab moam moar moba mobb mobo moja mojo moma momo mooa moob moor mora morb moro mrbb mrbm oama oara obba obbo obja obor obra obro omam omao omar ombo omma omo- omoa omoo omor omra omro ooaa ooba ooma oooo oora orab oram orao orar orba orbb orbo orma ormo oro- orom oror orra orro raab raaj raam raba rabb rabo raja rajm rajo rama ramb ramj ramm ramo raob raom rara rarb raro rbbb rbbr rmjm roab roam roar rob- roba robb robo roja rojo roma romb romm romo roob room roor rora roro rrrr