a-fu aaaa aaaf aaar aaav aafa aaff aaoo aara aaro aart aaru aata aatf aatt aava afaa afao afar afat affa affo afft afoa afoo afor afr- afra afro afru afta afua aora aort aotf aouf aout araf arar arat arau arfa arff arft arfu aroa aroo aror arr- arra arro arrr arrt arru arta arto artr artv arua arut arva arvo at-t ataa atar atat atof ator atot atra atro atru atta atto attr attu atua atur auaa aur- aura auro aut- auto avao avar avat avor avot avou avra avro avur avva avvo faaa fafa faff fafo fara faro farr fart faru fata fatf fato fatt faur faut fava ffar ffff ffrr fftf foaf foar fofo foof foot for- fora foro forr fort fota foto fott foua four fout fr-v frat frau frot frou frta frvt fuar fuat fuff fufu fuor fur- fura furo furr furt futa futo futu oaau oafo oara off- offa offo offr offu ofor ofra ofta ooaa ooff oooo oora oort orao orar orat orav orff orfu oro- orof oror orot orra orro orta orto orvr otar oto- otof otoo otor otov otra otro otta otto ottu otur ouat ouff our- oura ouro ourt out- outa outo ouu- ovar ovo- ovoo ovot ovra raaf raat rafa raff raft rara rarf raro rata ratf rato ratt ratu raua rauf raut rava roaf roar roat roff rofo roof roor root rora roro rort roru rota roto rotr rott roua rouf rout rova rovo rrat rrrr rtva rufa ruff rufo ruft rura ruro ruru ruta ruto rutt rutu ruvu taa- taaf taar taat tafa taff tafo taft taoa taor taou tara tarf taro tarr tart taru tata tato tatr tatt tatu tatv taua taur taut tava tavo tfot toat toau tofa toff tofo toft tofu tooa toof toor toot tora torf toro torr tort toru torv tota toto totr tott tour tout touv tova tovo traa traf trao trat trau trav trfr troa troo trot trou trra trtr trut truu ttfa ttff tttt tuao tuar tuat tufa tuff tufo tuft tufu tuor tura turf turo turr turt turu tuta tuto tutt tutu tuuo tuva tvro tvrr tvtv uafa uart uaru uata uatu uatv uaua uffa ufra uofa uofo uor- uovo urao urat urau urfa urff urft uro- uroa uroo urra urur urut urva utau utfo utor utto uttu uuta uutf uuuu uv-a uvaa uvat uvvu vaar vaat vafa vara varf varr vart varu vata vato vatt vatu vaut vava vfat vfor voar voat voff vofr voor voot vor- vora voro vort voru vota voto vour vout vrav vrot vrto vurt vutv vvvv