-ana aaaa aaab aaaf aaam aaan aaar aaba aabb aabm aafa aafb aaff aama aamb aamn aamo aamr aana aaon aaoo aara aarm aaro abaa abab abaf abam aban abar abb- abba abbb abbo abbr abff abma abmb aboa abob abof abon aboo abor abra abro afaa afam afan afao afar affa affo afma afoa afoo afor afr- afra afrm afro amaa amam aman amar amb- amba ambn ambo ambr amfm amfr amm- amma ammo amno amob amof amon amoo amor amra amro ana- anaa anab anam anan anao anar anba anbb anbo anfa anfo anma anna annb anno ano- anoa anom anon anor aoba aoma aonb aono aora aorb aorn arab araf aram aran arar arba arfa arfb arff arma armm armo arna arno aroa arob arom aron aroo aror arr- arra arro arrr baaa baaf baam baan baar baba babb babm babo babr baff bafo bama bamb bamf bamm bamn bana bann bano banr baon bar- bara barb barf barm barn baro barr bbbb bbfn bmaa bman bnor bnrr boab boan boar boba bobb bobo bofa boff boma bomb bona bonn bono boob boof boom boon boor bor- bora borf borm born boro borr brab braf bram bran brao brfm brna brno broa brob brom bron broo bror brrm brrr faaa faam faan faba fabm fabo fafa faff fafo fama famo fana fano faon fara farb farm faro farr fbar fbom ffar ffff ffrr fman fmno fnar fnma foaf foam foan foar foba fofo foma fomo fono foof foom foon for- fora forb form forn foro forr frab fram fran frmn frob from fron maaa maaf maam maan maar maba mabo mafa mafb maff mama mamf mamo man- mana manf mann mano maon maor mar- mara marf marm maro marr mbam mbba mbna mfbm mffa mfor mmaa mmab mman mmar mmff mmmm mmor mmrf mnaa mnam mnba mnbb mnra moaa moab moaf moam moan moar moba mobb mobo mofa moff mofo moma momo mon- mona monn mono mooa moob moon moor mora morb morf morn moro mrbb mrbm mrna mron naaa naab naam naan naar naba nabf nabo nafa naff nafo nama namb namm namo nan- nana nanb nann nano naor nara narf narm narn naro narr nbaa nbaf nbar nbbo nbfa nfaa nfff nfma nfon nfra nman nmff nmon nmra nnnn noaa noam noba nobm nobo nom- noma nomo non- nona nonn nono noo- noob noon nooo noor nor- nora norb norf norm norn noro norr nrab nram nrma nrna nron oafo oama oara oban obba obbo obon obor obra obro ofan off- offa offo offr ofna ofno ofor ofra 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 ooff ooma oona oooo oora orab oram oran orao orar orba orbb orbo orff orma ormn ormo orna orno oro- orof orom oron oror orra orro raab raaf raam raan raba rabb rabo rafa raff rama ramb ramm ramo rana rann rano raob raom rara rarb rarf raro rbaf rbbb rbbr rfam rmaf rman rmon rnaf rnbr roab roaf roam roan roar rob- roba robb robo roff rofo roma romb romm romo rona rono roob roof room roon roor rora roro rrna rrrr