a-fu aaaa aaaf aaam aaar aafa aaff aama aamo aamr aaoo aara aarm aaro aaru afaa afam afao afar affa affo afma afoa afoo afor afr- afra afrm afro afru afua amaa amam amar amfm amfr amm- amma ammo ammu amof amoo amor amou amra amro amua amum amur aoma aora aouf araf aram arar arau arfa arff arfu arma armm armo armu aroa arom aroo aror arr- arra arro arrr arru arua arum auaa auma aur- aura auro faaa faam fafa faff fafo fama famo fara farm faro farr faru faur ffar ffff ffrr foaf foam foar fofo foma fomo foof foom for- fora form foro forr foua four fram frau from frou frum fuar fuff fufu fumo fuor fur- fura furm furo furr maaa maaf maam maar mafa maff mafu mama mamf mamo mamu maor mar- mara marf marm maro marr maru maua mauf maum maur mffa mfor mfou mmaa mmar mmff mmmm mmor mmrf moaa moaf moam moar mofa moff mofo mofu moma momo momu mooa moor mora morf moro moru mouf mour muar muff mufu muma mumm mumo mumu mura muro murr muru oaau oafo oama oara off- offa offo offr offu ofor ofra omam omao omar omma omo- omoa omoo omor omra omro omuo ooaa ooff ooma oooo oora oram orao orar orff orfu orma ormo oro- orof orom oror orra orro orum ouff ouma our- oura ouro ouu- raaf raam rafa raff rama ramm ramo ramu raom rara rarf raro raua rauf raum rfam rmaf roaf roam roar roff rofo roma romm romo roof room roor rora roro roru roua rouf roum rrrr rrum rufa ruff rufo ruma rumm rumo rura ruro ruru uafa uaru uaua uffa ufra umaa umar umff umma ummo umor umra uofa uofm uofo uomo uor- urao urau urfa urff urma uro- uroa urom uroo urra urum urur uuuu