c-cd cccc cccp ccdc ccdh ccdp ccdr cced ccee cche cchp cchr ccoc ccod ccpe ccpp ccpr ccrc ccre ccrp cd-e cd-r cddr cdec cder cdre cec- cece ceco cecp cedd cede cedo ceec ceop ceor cepc cepe ceph cepo cepp cepr cer- cerc cerd cere cero cerp chce chch chcp chec ched chee cheh chep cher choc chod choh choo chop chor chpp chpr chrc chrd chro chrp chrr coce coch coco cocp codd code coed coep coho cood cooh coop copd cope coph copo copp copr cor- corc cord core coro corp corr cpce cpep cper cppd cpre crcc crce crcr crdc cre- crec cred cree creh creo crep croc crod croe croh croo crop cror crpc dccc dccp dche dcop dcpo dddd ddoc ddpo ddrc ddre dec- decc decd dece deco dedd dede dedo deed deep deer deop deor depc depe depo depp depr der- derc dere dero derp derr dhcp dhec dhed dhee dher dhod dhor dhpr doce doch doco dod- dodd dode dodo doer dohc dohr dood doop door dope dopo dopp dopr dorc dord dore doro dorp dorr dpcp dper dphp dppc dpph dred dree dreh drod droh drop eccc ecce ecco ecdc eced eche echo eco- ecod ecop ecpd ecpp ecrc ecrr eddc edde eddo eddp ede- edeh eder edoc edod eede eeee eeoc eerc eero ehcc ehdd eheh eher ehre eocd eode eore epcc epch epec epee eper eph- epoc epod epor eppc eppo eppp epro eprp ercc erce erch ercp erde erec ered erer erhc eroc erod eroe eroo erpe errc erre erro hccc hcch hcdr hcpc hcrd hcrp hdoc hdod hech hedd hede hedo hedp heed heep heer hehe heho heor hepc hepe hepp herc herd here hero herp herr hhhh hhpc hoce hoch hocr hode hodh hodr hoed hoer hohe hoho hood hooe hoop hoor hope hopo hopp horc hord hore horo horr hpcc hpdh hppe hrdc hree hrod hrpc hrpp hrrc o-eo occc oce oced ocee oche ocpd ocpp ocre ocro ocrr oddd oded odeo oder odoh odoo odop odor odrp oec- oecc oedo oeec oere ohcc ohed ohee oher ohho ohoh ohre oocr ooer ooho oooh oooo oord oore opec oped opep oper opo- opor oppo orce orch orco orde ordo ore- orec ored oreh oreo orer orhe oro- oroe oror orpc orpe orph orro pccc pcce pcep pcer pchp pcod pcoe pcpp pcrc pcrd pcre pdcp pdoc pdpr pdrc pece pech peco pecr ped- pede pedo peec peed peep peer pehe peho pehr peor pepd pepe pepo per- perc perd pere perh pero perp perr phcc phe- phoh phoo phrr pocd poce poch poco pod- podd pode podo poed poer pood pooh poop poor pop- popc pope popo popp porc pore poro porr ppcc ppcd pper ppod pppd pppo pppp pprc prcc prcd prcp pre- prec pred pree prep pro- proc prod proe proo prop prpd prrd rccc rcdc rcde rcep rcpd rcpo rcrd rder rdoc rdpc recc recd rece rech recp recr redc redd rede redh redo redr reed reep rehe reod reop repe repo repp repr rerd rere rero rhce rhcp rhee rheo rhoc rhod rhoh rocc roce roch roco rodd rode rodo roed roer rohe rohr rood roop roor rope ropo rorc rore roro rpdp rpho rpoe rred rrrr