c-cd cccc cccu ccdc ccdr cced ccee ccrc ccre ccrt cctc cctt ccuc ccut cd-e cd-r cddr cdec cder cdre cec- cece cect cedd cede cedt cedu ceec ceke cer- cerc cerd cere cert cet- cete ckck ckdu cker ckrc ckrd crcc crce crcr crdc cre- crec cred cree cret creu crkc crrt crtc crud crue cruk crut ctec ctrc cucc cuce cuck cude cued cuek cuer cuk- cuke curd cure curr curt cut- cutc cute cutt dccc dcct dccu dcrk dctc dddd ddrc ddre dec- decc decd dece deck dect dedd dede dedu deed deek deer deet dek- deke der- derc dere derk derr dete detk detr deue deuk deur deut dkdc dred dree drek dret drue druk drut druu dtcc dted dtek duce duck duct dudd dude dudu duer duet duke dukt duku dure durk durt duru dute duur duut eccc ecce ecct ecdc eced ecrc ecrr ecru ect- ectc eddc edde ede- eder edru educ edur eede eedu eeee eeke eerc eetc eete eetu eked ekek eker eket ekur ercc erce erde erec ered erer eret erke errc erre ertu eruc erur etcc etec etee eter etre ette ettu eucd eude euer eur- eurc eure eurt kccc kccd kcck kccr kcct kccu kcdc kcdd kcdr kcdu kcec kced kcee kcet kceu kckc kckk kckr kcrc kcrr kcrt kcru kctc kcte kctu kcue kcuk kdcc kdcd kdce kdcr kddc kddd kddk kddr kdec kdet kdkd kdkk kdkr kdkt kdtd kdtr kduc kdur kdut keck kecr kedc kedd kede kedr kedt keed keek keer keet kekc keke keku ker- kerc kere kerk kerr kert keru ket- ketc ketd kete ketk ketr kett ketu keur kkcd kkck kkcr kkct kkdc kkdd kkdt kked kkkk kkrc kkre kkrk kkrr kkrt kktc kktk kktu kkut kkuu krcc krcd krce krcu krdc krdd krde krdr krdu krec kred kree krek kret kreu krkc krkd krke krkk krkr krku krrc krre krrk krrr krrt krtc krtk krtr kruc krue kruk krur ktcc ktce ktck ktcr ktdc ktdd ktde ktdk ktdr ktec kted ktee ktek ktkc ktke ktkk ktkr ktkt ktku ktrc ktre ktrk ktrr ktrt ktru kttc kttk kttr kttt kttu ktuc kucc kucd kuce kucr kudd kude kudu kued kuek kueu kuke kukk kuku kurd kure kurk kurr kurt kuru kute kutr kutt kutu kuuk kuur kuuu rccc rcdc rcde rcet rcrd rctc rder recc recd rece reck recr rect recu redc redd rede redr redu reed reek reet reke rekt rerd rere rert reru retd rete retr rett reue reuk reut reuu rred rrrr rtcc rtce rtdt rtee ruce ruck ruct rudd rude rued ruer ruet ruke rukk ruku rurc rurd rure ruru rute rutt rutu ruud tccc tccu tcdd tctc tdkr teck tecr tect tedd tede tedk teec teed teek teer teet teke ter- terc tere terk terr teru tete tetr tett tetu teuk teut trcc tre- trec tred tree trek tret treu trtc trte trtr truc trud true truk trut truu tter tttt tucc tuck tude tudu tuer tuet tuke turc turd ture turk turr turt turu tute tutt tutu ucdc ucdd ucrc ucut uder udet uduk ukcc ukek ukeu ukrc ukur urde urdu ure- ured uret urke urre urte uruk urur urut utec uter uttu uuuu