-ana aaaa aaaf aaan aaap aaar aafa aaff aana aanp aaon aaoo aapa aapo aara aaro aarp afaa afan afao afap afar affa affo afoa afoo afor afpa afr- afra afro ana- anaa anan anao anap anar anfa anfo anna anno ano- anoa anon anor anp- anpa anpp anpr aono aopo aora aorn apan apao apap apar apfa apfo apna apno apo- apof apon apoo apop apor appa appr apra aprn apro araf aran arap arar arfa arff arna arno aroa aron aroo aror arpa arr- arra arro arrr faaa faan faap fafa faff fafo fana fano faon fapa fapp fara faro farp farr ffar ffff ffrr fnar foaf foan foar fofo fono foof foon fopp for- fora forn foro forr fpaa fpra fprf fran frap fron frop naaa naan naar nafa naff nafo nan- nana nann nano nanp naor napa napf napo napp nara narf narn naro narp narr nfaa nfff nfon nfpa nfra nnnn nnpr noaa noap non- nona nonn nono noo- noon nooo noop noor nor- nora norf norn noro norr npap nppa npra nrap nrna nron nrpn oafo oara ofan off- offa offo offr ofna ofno ofor ofra onan onar onna onno onon onor onra ooaa ooff oona oooo oora opan opap opar opo- opon opor oppa oppo opra oran orao orar orff orna orno oro- orof oron oror orra orro paan paap paar pafa paff pan- pana pann pano paon papa papp papr par- para parf parn paro parp parr pfaa pfff pffr pfra pnar pnon pnpo pnpp pnra pnro poan poar poff pona pono ponp poof poon poop poor pop- popa popo popp pora porn poro porr ppan ppap ppar ppfa ppoa pppa pppn pppo pppp pprf pran prao prar prna prnp pro- proa prof pron proo prop raaf raan rafa raff rana rann rano raop rapa rapp rara rarf raro rnaf roaf roan roap roar roff rofo rona rono roof roon roop roor ropa ropo rora roro rpof rpon rppn rrna rrrr