nuin nuit nuna nunn nunt nura nurd nuri nurn nurr nurt nuru nuth nutt nutu raab raad raan raat raba rabb rabi rabu rada radd radh radr radt radu raha rahi rahn rahr raht rahu raia raid raii rain rair rait raiu rana rand rani rann rant rara rarb rari rata rath rati ratt ratu raua raub raud raun raut rbbb rbbr rdna rhau rhib rhin rhun riaa riab riad riah riai rian riat riau rib- riba ribu rida ridd ridi riha riht riia riin rina rind rinn riri rita rith riti ritt ritu rnai rnbr rnin rnnt rntd rnut rrad rrah rrat rrna rrrr rrun rtai rtan rtdt rtnd ruad ruah ruan ruba rubb rubi rubu ruda rudd rudi ruhh ruhi ruhn ruhr ruid ruin ruit runa rund runi runn runt rura rurd ruri ruru ruta ruth ruti rutt rutu ruud ruun taa- taan taar taat taba tabb tabi tabu tada taha tahi tahn tahr tahu taia tain tair tait tana tand tanh tani tann tant tanu tara tarb tard tari tarn tarr tart taru tata tatb tath tati tatr tatt tatu taua taub taur taut tbar tbit tbrb tbta tddb tdna tdra tdri thaa thad thai than thar that thau thdr thi- thia thin thir thnt thra thri thru thtb thtr thud thun thur tiaa tiab tian tiar tiba tibi tibu tidd tiht tihu tiit tiiu tina tind tini tinn tint tinu tira tirb tird tiri tirr tiru tita tith titi titt titu tndd tnut traa trab trad trai tran trat trau tri- tria trib trin trit trna trra trtr trub trud trun trut truu ttab ttbb tttt tuan tuar tuat tuba tubb tubr tubu tudi tudu tuht tuhu tuin tuit tuiu tuna tunb tund tuni tunn tunu tura turb turd turi turn turr turt turu tuta tuti tutt tutu uair uart uaru uata uath uatu uaua ubar ubba ubbi ubid ubii ubir ubit ubra ubud udaa udad udar udau uddi udid udin udir udra udun uh-d uhid uhna uhta uhti uhuh uint uira uirr unaa unai unan unar unat unau unbd unda undi unha uni- unia unii unin unir unit unna unni unra untb unth unut urad urai uran urat urau urba urbi urda urdu uria urib urin uriu urna urni urra urrh urri urth urun urur urut utah utai utan utau utha utia utid utin utri utti uttu uuni uuri uuta uuuu