reiu rera rerd rere reri rert reru reta retd rete reti retr rett reue reut reuu riaa riad riai riat riau rica ricc rice rict rida ridc ridd ride ridi ried rier riet rieu riia rire riri rita rite riti ritt ritu riue rrad rrat rred rrrr rtai rtca rtcc rtce rtdt rtee rtei ruad ruca ruce ruci ruct ruda rudd rude rudi rued ruer ruet ruid ruit rura rurc rurd rure ruri ruru ruta rute ruti rutt rutu ruud taa- taar taat taca tacc tace taci tact tada tade taec taer taia tair tait tara tarc tard tare tari tarr tart taru tata tate tati tatr tatt tatu taua tauc taue taur taut tcad tcca tccc tccu tcdd tctc tdac tdra tdri teac tead tear teat teca tecr tect teda tedd tede tedi teec teed teer teet teia teic teie teir teiu ter- tera terc tere teri terr teru teta tete teti tetr tett tetu teut tiaa tiar tica ticc tice tidc tidd tide tie- tiea tied tiee tiei tier tiet tiit tiiu tira tird tire tiri tirr tiru tita titc tite titi titt titu traa trac trad trae trai trat trau trca trcc tre- trea trec tred tree trei tret treu tri- tria tric trie trit trra trtc trte trtr truc trud true trut truu tter tttt tuae tuar tuat tuca tucc tude tudi tudu tuei tuer tuet tuit tuiu tura turc turd ture turi turr turt turu tuta tute tuti tutt tutu u-ie uaca uair uarc uart uaru uata uatu uaua ucad ucai ucar ucat ucca ucci ucdc ucdd ucea ucrc ucua ucut udaa udad udar udau udca uddi udea uder udet udic udid udir udra ueda ueir uica uira uirr urac urad urai urat urau urca urci urda urde urdu ure- urea ured uret uria uric urie uriu urra urre urri urte urur urut utac utai utau utec uter utia utid utri utti uttu uuri uuta uuuu