-hou c-cd cccc cccu ccdc ccdh cced ccee cche ccoc ccod ccuc cd-e cdec cec- cece ceco cedd cede cedo cedu ceec ceou chce chch chec ched chee cheh cheu choc chod choh choo chou chud coce coch coco cocu codd code coed coho cood cooh coud coue cucc cuce cude cued dccc dccu dche dddd ddoc dec- decc decd dece deco dedd dede dedo dedu deed dehu deue dhec dhed dhee dhod doce doch doco docu dod- dodd dode dodo dohc dood douc doud doue duce duch duco dudd dude dudo dudu duhe duhu duo- eccc ecce ecco ecdc eced eche echo eco- ecod ecou eddc edde eddo ede- edeh edoc edod edou educ eede eedu eeee eeoc ehcc ehdd eheh eheu ehud eocd eode eucd euch eude hccc hcch hdoc hdod hech hedd hede hedo heed hehe heho heou heue hhhh hoce hoch hode hodh hoed hohe hoho hood hooe houd houe huch hucu hudd hude hudo hudu hued huhu o-eo occc oce oced ocee oche oddd oded odeo odoh odoo odou oec- oecc oedo oeec ohcc ohed ohee ohho ohoh ooho oooh oooo oucc ouch oudc oude oudh oued ouu- ucdc ucdd uche ucho udoh udoo uh-d uhde uhoh uhuh uocc uuoc uuuu