-ana aaaa aaab aaam aaan aaar aaba aabb aabm aama aamb aamn aamo aamr aana aaon aaoo aara aarm aaro abaa abab abam aban abar abb- abba abbb abbo abbr abma abmb aboa abob abon aboo abor abra abro amaa amam aman amar amb- amba ambn ambo ambr amm- amma ammo amno amob amon amoo amor amra amro ana- anaa anab anam anan anao anar anba anbb anbo anma anna annb anno ano- anoa anom anon anor aoba aoma aonb aono aora aorb aorn arab aram aran arar arba arma armm armo arna arno aroa arob arom aron aroo aror arr- arra arro arrr baaa baam baan baar baba babb babm babo babr bama bamb bamm bamn bana bann bano banr baon bar- bara barb barm barn baro barr bbbb bmaa bman bnor bnrr boab boan boar boba bobb bobo boma bomb bona bonn bono boob boom boon boor bor- bora borm born boro borr brab bram bran brao brna brno broa brob brom bron broo bror brrm brrr maaa maam maan maar maba mabo mama mamo man- mana mann mano maon maor mar- mara marm maro marr mbam mbba mbna mmaa mmab mman mmar mmmm mmor mnaa mnam mnba mnbb mnra moaa moab moam moan moar moba mobb mobo moma momo mon- mona monn mono mooa moob moon moor mora morb morn moro mrbb mrbm mrna mron naaa naab naam naan naar naba nabo nama namb namm namo nan- nana nanb nann nano naor nara narm narn naro narr nbaa nbar nbbo nman nmon nmra nnnn noaa noam noba nobm nobo nom- noma nomo non- nona nonn nono noo- noob noon nooo noor nor- nora norb norm norn noro norr nrab nram nrma nrna nron oama oara oban obba obbo obon obor obra obro omam oman omao omar ombo omma omn- omo- omoa omon omoo omor omra omro onab onam onan onar onna onno onon onor onra ooaa ooba ooma oona oooo oora orab oram oran orao orar orba orbb orbo orma ormn ormo orna orno oro- orom oron oror orra orro raab raam raan raba rabb rabo rama ramb ramm ramo rana rann rano raob raom rara rarb raro rbbb rbbr rman rmon rnbr roab roam roan roar rob- roba robb robo roma romb romm romo rona rono roob room roon roor rora roro rrna rrrr