c-cd cccc cccu ccdc ccdr cced ccee ccrc ccre ccuc cd-e cd-r cddr cdec cder cdre cec- cece cedd cede cedu cedy ceec cer- cerc cerd cere cery ceyu crcc crce crcr crdc cre- crec cred cree creu crud crue cry- cucc cuce cude cued cuer curd cure curr cury cuy- cuyr cyc- cycc cyre cyy- cyyc dc-y dccc dccu dddd ddrc ddre ddry dec- decc decd dece dedd dede dedu deed deer der- derc dere derr dery deue deur deye deyr dred dree drey drue druu dry- drye duce dudd dude dudu duer duey dure duru dury duur duyr dycd dyce dycu dydd dyde dyed dyer dyey dyr- dyrc dyre dyru dyur dyyr eccc ecce ecdc eced ecrc ecrr ecru ecyd eddc edde eddy ede- eder edru educ edur eede eedu eeee eerc eery ercc erce erde erec ered erer errc erre eruc erur eryc erye eucd eude euer eur- eurc eure eury eyec eyed eyer eyey eyre eyry eyyr rccc rcdc rcde rcrd rcyc rder recc recd rece recr recu recy redc redd rede redr redu redy reed rerd rere reru rery reue reuu reyd reye rred rrrr ruce rudd rude rudy rued ruer rurc rurd rure ruru ruud ruyd ryde rydy ryue ucdc ucdd ucrc uder urcy urde urdu urdy ure- ured urey urre urry urur uuuu uyre yccc ycee ydee ydre ye-u yedd yede yeed yeer yerd yere yerr yery yeue yeye yeyr yuce yude yudu yued yuer yurd yure yury yuye yuyu yyyy