ratt ratu raua raub raun raut rbbb rbbr rbgh rboh rgan rgba rgtr rhag rhau rhbg rhoa rhob rhog rhoh rhon rhug rhun rnag rnbr rnnt rnot rnut roab roag roan roar roat rob- roba robb robo robt robu roga rogg rogh rogo roha rohn rohr rohu rona rong rono ront roob roog roon roor root rora roro rort roru rota rotg roth rotn roto rotr rott roua roub rouh roun rout rrah rrat rrna rrrr rrun rtan ruag ruah ruan ruba rubb rubu ruga rugg rugh ruhh ruhn ruhr runa rung runn runo runt rura ruro ruru ruta ruth ruto rutt rutu ruun taa- taag taan taar taat taba tabb tabo tabu taga tagg tagh tago tagu taha tahn taho tahr tahu tana tang tanh tann tano tant tanu taoa taor taou tara tarb targ tarn taro tarr tart taru tata tatb tath tato tatr tatt tatu taua taub taur taut tbar tbrb tbta thaa thag than thao thar that thau thnt thog thon thoo thor thot thou thra thro thru thtb thtr thug thun thur tnag tnut toab toan toat toau toba tobo tobt tobu toga togh togo togr togt toho tohu tona tonb tong tonh tonn tono tonu tooa tooh toon toor toot tora torg torn toro torr tort toru tota toth toto totr tott toug touh toun tour tout traa trab trag tran trao trat trau trna trng trno troa trog tron troo trot trou trra trtr trub trug trun trut truu ttab ttbb tton tttt tuan tuao tuar tuat tuba tubb tubo tubr tubu tuga tugg tugh tugu tuht tuhu tuna tunb tung tunn tuno tunu tuor tura turb turg turn turo turr turt turu tuta tuto tutt tutu tuuo uang uart uaru uata uath uatu uaua ubar ubba ubbo ubon ubra ugab ugao ugar uggo uggt ugra ugro ugta ugur uguu uhna uhno uhoh uhta uhuh unaa unan unar unat unau unga ungo ungu unha unna unno unon unra unro untb unth unto unut uor- uran urao urat urau urba urga urgh urgu urho urna uro- uroa uroo urra urrh urth urun urur urut utah utan utau utha utor utto uttu utug uuno uuta uuuu