-ana aaaa aaaf aaan aaar aafa aaff aana aaon aaoo aara aaro aart aata aatf aatt afaa afan afao afar afat affa affo afft afoa afoo afor afr- afra afro afta aftn ana- anaa anan anao anar anat anfa anfo anna anno annt ano- anoa anon anor ant- anta anto antr antt aono aont aora aorn aort aotf araf aran arar arat arfa arff arft arna arno arnt aroa aron aroo aror arr- arra arro arrr arrt arta arto artr at-t ataa atan atar atat atna atno atof aton ator atot atra atrn atro atta attn atto attr faaa faan fafa faff fafo fana fano fant faon fara faro farr fart fata fatf fato fatt ffar ffff ffrr fftf fnar fnta foaf foan foar fofo fono font foof foon foot for- fora forn foro forr fort fota foto fott fran frat fron frot frta ftan naaa naan naar naat nafa naff nafo nan- nana nann nano nant naor naot nara narf narn naro narr nart nata nato natt nfaa nfat nfff nfon nfra nfta nfto nnnn nnot nntn noaa noat non- nona nonn nono nont noo- noon nooo noor noot nor- nora norf norn noro norr nort not- nota noto nott nrna nron nrta ntof ntto nttr oafo oara ofan off- offa offo offr ofna ofno ofor ofra ofta onan onar onat onna onno onon onor onra ont- onto ooaa ooff oona oont oooo oora oort oran orao orar orat orff orna orno oro- orof oron oror orot orra orro orta orto otan otar oto- otof oton otoo otor otra otro otta otto raaf raan raat rafa raff raft rana rann rano rant rara rarf raro rata ratf rato ratt rnaf rnnt rnot roaf roan roar roat roff rofo rona rono ront roof roon roor root rora roro rort rota rotn roto rotr rott rrat rrna rrrr rtan taa- taaf taan taar taat tafa taff tafo taft tana tann tano tant taoa taor tara tarf tarn taro tarr tart tata tato tatr tatt tfot toan toat tofa toff tofo toft tona tonn tono tooa toof toon toor toot tora torf torn toro torr tort tota toto totr tott traa traf tran trao trat trfr trna trno troa tron troo trot trra trtr ttfa ttff ttfn tton tttt