c-cd cccc ccdc ccdh cced ccee cche ccoc ccod cd-e cdec cec- cece ceco cedd cede cedo ceec chce chch chec ched chee cheh choc chod choh choo coce coch coco codd code coed coho cood cooh dccc dche dddd ddoc dec- decc decd dece deco dedd dede dedo deed dhec dhed dhee dhod doce doch doco dod- dodd dode dodo dohc dood eccc ecce ecco ecdc eced eche echo eco- ecod eddc edde eddo ede- edeh edoc edod eede eeee eeoc ehcc ehdd eheh eocd eode hccc hcch hdoc hdod hech hedd hede hedo heed hehe heho hhhh hoce hoch hode hodh hoed hohe hoho hood hooe o-eo occc oce oced ocee oche oddd oded odeo odoh odoo oec- oecc oedo oeec ohcc ohed ohee ohho ohoh ooho oooh oooo