a-fu aaaa aaaf aaap aaar aafa aaff aaoo aapa aapo aara aaro aarp aaru aaup afaa afao afap afar affa affo afoa afoo afor afpa afr- afra afro afru afua aopo aora aouf apao apap apar apfa apfo apo- apof apoo apop apor apou appa appr appu apra apro apua apup araf arap arar arau arfa arff arfu aroa aroo aror arpa arpu arr- arra arro arrr arru arua arup auaa aur- aura auro faaa faap fafa faff fafo fapa fapp fara faro farp farr faru faur ffar ffff ffrr foaf foar fofo foof fopp for- fora foro forr foua foup four fpaa fpra fprf frap frau frop frou fuar fuff fufu fuor fur- fura furo furr oaau oafo oara off- offa offo offr offu ofor ofra ooaa ooff oooo oora opap opar opo- opor oppa oppo opra opua orao orar orff orfu oro- orof oror orra orro orup ouff oupa our- oura ouro ouu- paap paar pafa paff papa papp papr par- para parf paro parp parr paru paua paup paur pfaa pfff pffr pfra poar poff poof poop poor pop- popa popo popp pora poro porr pouf poup pour ppap ppar ppfa ppoa pppa pppo pppp pprf ppru ppur prao prar prau pro- proa prof proo prop prou pruf pruu puao puar puff pupa pupu pur- pura puro purp purr puru raaf rafa raff raop rapa rapp rara rarf raro raua rauf raup roaf roap roar roff rofo roof roop roor ropa ropo rora roro roru roua rouf roup rpof rrrr rufa ruff rufo rupa rupp rura ruro rurp ruru u-rp uafa uaru uaua uffa ufra uofa uofo uor- upar upor uppa uppp uppu upra upup urao urap urau urfa urff uro- uroa uroo urpo urra urup urur uuuu