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 ceec cejc cer- cerc cerd cere cert cet- cete cjcj cjdc cjrc cjrj cjtr crcc crce crcr crdc cre- crec cred cree cret crrt crtc ctec ctrc dccc dcct dctc dddd ddrc ddre dec- decc decd dece decj dect dedd dede deed deer deet deje der- derc dere derj derr dete detr djed djer djet dred dree dret dtcc dted eccc ecce ecct ecdc eced ecrc ecrr ect- ectc eddc edde ede- eder eede eeee eerc eetc eete ejer ercc erce erde erec ered erer eret errc erre etcc etec etee eter etre ette jccc jcrc jeed jeer jeet jere jert jete jett jjcc jrtc jtcc jtdc rccc rcdc rcde rcet rcrd rctc rder recc recd rece recr rect redc redd rede redr reed reet rejd rerd rere rert retd rete retr rett rjdj rred rrrr rtcc rtce rtdt rtee tccc tcdd tctc tecr tect tedd tede teec teed teej teer teet ter- terc tere terj terr tete tetr tett trcc tre- trec tred tree tret trtc trte trtr tter tttt