c-cd cccc ccdc ccdh ccdr cced ccee cche cchr ccoc ccod ccrc ccre cd-e cd-r cddr cdec cder cdre cec- cece ceco cedd cede cedo ceec ceor cer- cerc cerd cere cero chce chch chec ched chee cheh cher choc chod choh choo chor chrc chrd chro chrr coce coch coco codd code coed coho cood cooh cor- corc cord core coro corr crcc crce crcr crdc cre- crec cred cree creh creo croc crod croe croh croo cror dccc dche dddd ddoc ddrc ddre dec- decc decd dece deco dedd dede dedo deed deer deor der- derc dere dero derr dhec dhed dhee dher dhod dhor doce doch doco dod- dodd dode dodo doer dohc dohr dood door dorc dord dore doro dorr dred dree dreh drod droh eccc ecce ecco ecdc eced eche echo eco- ecod ecrc ecrr eddc edde eddo ede- edeh eder edoc edod eede eeee eeoc eerc eero ehcc ehdd eheh eher ehre eocd eode eore ercc erce erch erde erec ered erer erhc eroc erod eroe eroo errc erre erro hccc hcch hcdr hcrd hdoc hdod hech hedd hede hedo heed heer hehe heho heor herc herd here hero herr hhhh hoce hoch hocr hode hodh hodr hoed hoer hohe hoho hood hooe hoor horc hord hore horo horr hrdc hree hrod hrrc o-eo occc oce oced ocee oche ocre ocro ocrr oddd oded odeo oder odoh odoo odor oec- oecc oedo oeec oere ohcc ohed ohee oher ohho ohoh ohre oocr ooer ooho oooh oooo oord oore orce orch orco orde ordo ore- orec ored oreh oreo orer orhe oro- oroe oror orro rccc rcdc rcde rcrd rder rdoc recc recd rece rech recr redc redd rede redh redo redr reed rehe reod rerd rere rero rhce rhee rheo rhoc rhod rhoh rocc roce roch roco rodd rode rodo roed roer rohe rohr rood roor rorc rore roro rred rrrr