aaaa aaap aaar aaav aaoo aapa aapo aapt aara aaro aarp aart aaru aata aatt aaup aava aopo aora aort aout apao apap apar apat apo- apoo apop apor apot apou appa appr appt appu apra apro aprt apta aptt aptv apua apup arap arar arat arau aroa aroo aror arpa arpu arr- arra arro arrr arrt arru arta arto artr artv arua arup arut arva arvo at-t ataa atap atar atat atop ator atot atpr atra atro atrp atru atta atto attp attr attu atua atur auaa aur- aura auro aut- auto avao avar avat avor avot avou avpu avra avro avur avva avvo oaau oara ooaa oooo oora oort ootp opap opar opo- opor oppa oppo opra opto opua orao orar orat orav oro- oror orot orra orro orta orto orup orvr otap otar oto- otoo otor otov otpp otra otro otta otto ottu otur ouat oupa oupv our- oura ouro ourt out- outa outo ouu- ovar ovo- ovoo ovot ovpp ovra paap paar paat papa papp papr par- para paro parp parr part paru parv pata pato patr patt patu paua paup paur paut pava pavo poar poat poop poor poot pop- popa popo popp popt pora poro porr port pota poto pott potu poup pour pout povo ppap ppar ppoa pppa pppo pppp ppru ppta pptt pptv ppur prao prar prat prau pro- proa proo prop prot prou prov prtp prtr prut pruu ptop puao puar pupa pupu pur- pura puro purp purr puru put- puta puto putt putu pvpa raat raop rapa rapp rapt rara raro rata rato ratp ratt ratu raua raup raut rava roap roar roat roop roor root ropa ropo rora roro rort roru rota roto rotr rott roua roup rout rova rovo rpta rrat rrrr rtpa rttp rtva rupa rupp rupt rura ruro rurp ruru ruta ruto rutt rutu ruvu taa- taar taat taoa taor taou tapa tapo tapp tapr tapt tapu tara taro tarp tarr tart taru tata tato tatr tatt tatu tatv taua taur taut tava tavo toat toau tooa toor toot top- topa topo topp topt topu topv tora toro torp torr tort toru torv tota toto totr tott toup tour tout touv tova tovo tpap tpau tppa tppp tppr tptp tptr tput traa trao trap trat trau trav troa troo trop trot trou trpa trpp trpv trra trtr trut truu ttop tttt tuao tuar tuat tuor tupa tupo tupu tura turo turp turr turt turu tuta tuto tutt tutu tuuo tuva tvpa tvro tvrr tvtv u-rp uart uaru uata uatu uatv uaua uor- uovo upar upat upor uppa uppp uppu upra upto uptv upup urao urap urat urau uro- uroa uroo urpo urra urup urur urut urva utau utor utpa utto uttu uuta uuuu uv-a uvaa uvat uvvu vaar vaat vapa vara varp varr vart varu vata vato vatt vatu vaut vava voar voat voor voot vopt vor- vora voro vort voru vota voto votp vour vout vpat vpro vrap vrav vrot vrto vtap vtpr vurp vurt vutv vvvv