c-cd cccc ccdc ccdh ccdr cced ccee cche cchr ccrc ccre ccrt cctc cctt cd-e cd-r cddr cdec cder cdre cec- cece cect cedd cede cedt ceec cer- cerc cerd cere cert cet- cete chce chch chec ched chee cheh cher chet chrc chrd chrr chrt chtr chtt crcc crce crcr crdc cre- crec cred cree creh cret crrt crtc ctec ctrc dccc dcct dche dctc dddd ddrc ddre dec- decc decd dece dect dedd dede deed deer deet der- derc dere derr dete deth detr dhec dhed dhee dher dred dree dreh dret dtcc dted dthd eccc ecce ecct ecdc eced eche echt ecrc ecrr ect- ectc ecth eddc edde ede- edeh eder eede eeee eerc eetc eete eeth ehcc ehdd eheh eher ehre ehte ercc erce erch erde erec ered erer eret erhc errc erre erth etcc etch etec etee eter eth- ethe etre ette hccc hcch hcdr hcrd hdtt hech hect hedd hede heed heer heet hehe herc herd here herr hert hete heth hett hhhh hrdc hree hrrc hrte htcc htet httr rccc rcdc rcde rcet rcrd rctc rder recc recd rece rech recr rect redc redd rede redh redr reed reet rehe reht rerd rere rert retd rete reth retr rett rhce rhee rhet rred rrrr rtcc rtce rtdt rtee tccc tcdd tch- tche tchh tchr tctc tech tecr tect tedd tede teec teed teer teet tehr ter- terc tere terr tete teth tetr tett thch thdr the- thec thed thee ther thet thre thtr trcc tre- trec tred tree tret trtc trte trtr tter tttt