c-cd cccc ccdc ccdr cced ccee ccrc ccre ccrt cctc cctt cd-e cd-r cddr cdec cder cdre cec- cece cect cedd cede cedt cedy ceec cer- cerc cerd cere cert cery cet- cete crcc crce crcr crdc cre- crec cred cree cret crrt crtc cry- ctec ctrc cyc- cycc cyre cyrt cyt- cyte cyy- cyyc dc-y dccc dcct dctc dddd ddrc ddre ddry dec- decc decd dece dect dedd dede deed deer deet der- derc dere derr dery dete detr deye deyr dred dree dret drey dry- drye dtcc dted dycd dyce dydd dyde dyed dyer dyey dyr- dyrc dyre dyrt dyt- dytc dyty dyyr eccc ecce ecct ecdc eced ecrc ecrr ect- ectc ecyd eddc edde eddy ede- eder eede eeee eerc eery eetc eete ercc erce erde erec ered erer eret errc erre eryc erye etcc etec etee eter etre ette etty eyec eyed eyer eyet eyey eyre eyry eyte eyyr rccc rcdc rcde rcet rcrd rctc rcyc rder recc recd rece recr rect recy redc redd rede redr redy reed reet rerd rere rert rery retd rete retr rett rety reyd reye rred rrrr rtcc rtce rtdt rtee ryde rydy ryet rytt ryyt tccc tcdd tctc tecr tect tedd tede tedy teec teed teer teet ter- terc tere terr tery tete tetr tett teye teyr trcc tre- trec tred tree tret trey trtc trte trtr try- trye tter tttt ttyd tyce tydd tyde tydy tyee tyer tyet tyr- tyre tyrr tytd tyte tytt tyty yccc ycee yctc ydee ydre ydyt yedd yede yeed yeer yeet yerd yere yerr yert yery yete yett yeye yeyr ytre yyyy