c-cd cccc ccdc ccdh ccdr cced ccee cche cchr ccrc ccre cd-e cd-r cddr cdec cder cdre cec- cece cedd cede ceec cer- cerc cerd cere chce chch chec ched chee cheh cher chrc chrd chrr crcc crce crcr crdc cre- crec cred cree creh dccc dche dddd ddrc ddre dec- decc decd dece dedd dede deed deer der- derc dere derr dhec dhed dhee dher dred dree dreh eccc ecce ecdc eced eche ecrc ecrr eddc edde ede- edeh eder eede eeee eerc ehcc ehdd eheh eher ehre ercc erce erch erde erec ered erer erhc errc erre hccc hcch hcdr hcrd hech hedd hede heed heer hehe herc herd here herr hhhh hrdc hree hrrc rccc rcdc rcde rcrd rder recc recd rece rech recr redc redd rede redh redr reed rehe rerd rere rhce rhee rred rrrr