rnot rnut roan roar roat roca rocc roce roco roea roen roer roet rona ronc rone rono ront roon roor root rora rorc rore roro rort roru rota rotc rote rotn roto rotr rott roua roue roun rout rrat rrna rrrr rrun rtan rtca rtcc rtce rtee ruan ruca ruce ruct ruen ruer ruet runa runc rune runn runo runt rura rurc rure ruro ruru ruta rute ruto rutt rutu ruun taa- taan taar taat taca tacc tace taco tact taec taen taer tana tane tann tano tant tanu taoa taor taou tara tarc tare tarn taro tarr tart taru tata tate tato tatr tatt tatu taua tauc taue taur taut tcca tccc tccu tcnn tcon tctc teac tean tear teat teca teco tecr tect teec teen teer teet tena tenc tene tenn teno tent tenu teon teor ter- tera terc tere tern tero terr teru teta tete teto tetr tett tetu teut tnca tncc tnut toan toat toau toca toce toco toea toee toen toer toet tona tone tonn tono tonu tooa toon toor toot tora torc tore torn toro torr tort toru tota totc tote toto totr tott toun tour tout traa trac trae tran trao trat trau trca trcc tre- trea trec tree tren treo tret treu trna trno troa troc troe tron troo trot trou trra trtc trte trtr truc true trun trut truu ttcn tten tteo tter ttoe tton tttt tuae tuan tuao tuar tuat tuca tucc tuco tuen tuer tuet tuna tunc tune tunn tuno tunu tuor tura turc ture turn turo turr turt turu tuta tute tuto tutt tutu tuuo uaca uaoc uarc uart uaru uata uatu uaua ucan ucar ucat ucca ucea ucon ucrc ucua ucut ueno unaa unac unan unar unat unau unca uncc unce unco unct unec unee unen uner unna unne unno unon unra unro unte unto unut uocc uone uor- uore urac uran urao urat urau urca ure- urea uret urna urne uro- uroa uroo urra urre urte urun urur urut utac utan utau utec uter utne utor utto uttu uuen uuno uuoc uuta uuuu