qqqq qtar quaa quad quae quar quat qucu qued quee quek quer quet qurd qute quu- raad raak raat rac- raca racc race rack racq ract racu rada radc radd rade radr radt radu raec raed raer raka rake rakk rakt raku raqt rara rare rark rata rate ratk ratt ratu raua rauc raud raue rauk raut rcac rccc rcdc rcde rcet rcrd rctc rdac rder rea- reac read reae reak rear reat reau reca recc recd rece reck recr rect recu reda redc redd rede redq redr redu reed reek reet reka reke rekt reqa reqd rera rerd rere rert reru reta retd rete retr rett reue reuk reut reuu rqda rrad rrat rred rrrr rtca rtcc rtce rtdt rtee ruad ruca ruce ruck ruct ruda rudd rude rued ruer ruet ruka ruke rukk ruku rura rurc rurd rure ruru ruta rute rutt rutu ruud taa- taar taat taca tacc tace tack tact tada tade taec taer taka take takk takt taku taqa taqu tara tarc tard tare tark tarq tarr tart taru tata tate tatr tatt tatu taua tauc taue tauk taur taut tcad tcca tccc tccu tcdd tctc tdac tdkr tdra teac tead teak tear teat teca teck tecr tect teda tedd tede tedk teec teed teek teer teet teka teke ter- tera terc tere terk terr teru teta tete tetr tett tetu teuk teut tkac traa trac trad trae trak trat trau trca trcc tre- trea trec tred tree trek tret treu trra trtc trte trtr truc trud true truk trut truu tter tttt tuae tuak tuar tuat tuca tucc tuck tude tudu tuer tuet tuka tuke tura turc turd ture turk turr turt turu tuta tute tutt tutu uaca uarc uart uaru uata uatu uaua ucad ucak ucar ucat ucca ucdc ucdd ucea ucka ucrc ucua ucut udaa udad udar udau udca udea uder udet udra uduk ueda ukcc ukek ukeu ukra ukrc ukta ukur uqac uqar uqat uqcc urac urad urat urau urca urda urde urdu ure- urea ured uret urka urke urra urre urte uruk uruq urur urut utac utau utec uter uttu utuq uuta uuuu