c-cd cccc cccv ccdc ccdh ccdr cced ccee cche cchr ccoc ccod ccrc ccre ccvo cd-e cd-r cddr cdec cder cdre cdvd cec- cece ceco cedd cede cedo ceec ceor cer- cerc cerd cere cero cevo chce chch chec ched chee cheh cher chev choc chod choh choo chor chov chrc chrd chro chrr chvo coce coch coco codd code coed coho cood cooh cor- corc cord core coro corr cove covo crcc crce crcr crdc cre- crec cred cree creh creo croc crod croe croh croo cror cvcc cver cvrd cvrr dccc dccv dche dcvd dddd ddoc ddrc ddre dec- decc decd dece deco dedd dede dedo deed deer deev deor der- derc dere dero derr derv deve devo dhec dhed dhee dher dhod dhor doce doch doco dod- dodd dode dodo doer dohc dohr dood door dorc dord dore doro dorr dove dred dree dreh drev drod droh dvdr dvor eccc ecce ecco ecdc eced eche echo eco- ecod ecrc ecrr ecrv eddc edde eddo ede- edeh eder edoc edod edve eede eeee eeoc eerc eero ehcc ehdd eheh eher ehre eocd eode eore ercc erce erch erde erec ered erer erev erhc eroc erod eroe eroo errc erre erro erve ever evoe evoo evre hccc hcch hcdr hcrd hdoc hdod hech hedd hede hedo heed heer hehe heho heor herc herd here hero herr heve hhhh hoce hoch hocr hode hodh hodr hoed hoer hohe hoho hood hooe hoor horc hord hore horo horr hove hrdc hree hrod hrrc hvcc 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 orve orvr ovde ovee over ovhd ovo- ovod ovoo ovre rccc rcdc rcde rcrd rcvr rder rdev rdoc recc recd rece rech recr redc redd rede redh redo redr reed reev rehe reod rerd rere rero revd reve revo rhce rhee rheo rhoc rhod rhoh rocc roce roch roco rodd rode rodo roed roer roev rohe rohr rood roor rorc rore roro rove rovo rred rrrr rv-c rved rver rvvh vche vdcc vdec vder vdre vecc vech vedc vede vedo veer veho veoh veor ver- verd vere vero veve vevo vhhh voce vode vodo voer voho vooc voor vor- vord vore voro vred vreo vrhe vroc vver vvvv