c-cd cccc ccdc ccdh cced ccee cche ccoc ccod cd-e cdec cec- cece ceco cedd cede cedo ceec ceze chce chch chec ched chee cheh chez choc chod choh choo coce coch coco codd code coed coho cood cooh cozd coze cozz dccc dche dddd ddoc dec- decc decd dece deco dedd dede dedo deed deze dezh dhec dhed dhee dhod doce doch doco dod- dodd dode dodo dohc dood doze dozo dzh- dzhe dzhh dzze eccc ecce ecco ecdc eced eche echo eco- ecod eddc edde eddo ede- edeh edoc edod eede eeee eeoc eeze ehcc ehdd eheh eocd eode ezed ezod ezzo hccc hcch hdoc hdod hech hedd hede hedo hedz heed hehe heho heze hhhh hoce hoch hode hodh hoed hohe hoho hood hooe hoze hozo o-eo occc oce oced ocee oche oddd oded odeo odoh odoo oec- oecc oedo oeec ohcc ohed ohee ohho ohoh ooho oooh oooo ooze ozd ozee zech zedd zede zedo zeze zhee zoch zoco zodd zoo- zozo zzhz zzzz