cccc cccp ccee cche cchp cchr ccoc ccpe ccpp ccpr ccrc ccre ccrp cec- cece ceco cecp ceec ceop ceor cepc cepe ceph cepo cepp cepr cer- cerc cere cero cerp chce chch chcp chec chee cheh chep cher choc choh choo chop chor chpp chpr chrc chro chrp chrr coce coch coco cocp coep coho cooh coop cope coph copo copp copr cor- corc core coro corp corr cpce cpep cper cpre crcc crce crcr cre- crec cree creh creo crep croc croe croh croo crop cror crpc eccc ecce ecco eche echo eco- ecop ecpp ecrc ecrr eeee eeoc eerc eero ehcc eheh eher ehre eore epcc epch epec epee eper eph- epoc epor eppc eppo eppp epro eprp ercc erce erch ercp erec erer erhc eroc eroe eroo erpe errc erre erro hccc hcch hcpc hcrp hech heep heer hehe heho heor hepc hepe hepp herc here hero herp herr hhhh hhpc hoce hoch hocr hoer hohe hoho hooe hoop hoor hope hopo hopp horc hore horo horr hpcc hppe hree hrpc hrpp hrrc o-eo occc oce ocee oche ocpp ocre ocro ocrr oec- oecc oeec oere ohcc ohee oher ohho ohoh ohre oocr ooer ooho oooh oooo oore opec opep oper opo- opor oppo orce orch orco ore- orec oreh oreo orer orhe oro- oroe oror orpc orpe orph orro pccc pcce pcep pcer pchp pcoe pcpp pcrc pcre pece pech peco pecr peec peep peer pehe peho pehr peor pepe pepo per- perc pere perh pero perp perr phcc phe- phoh phoo phrr poce poch poco poer pooh poop poor pop- popc pope popo popp porc pore poro porr ppcc pper pppo pppp pprc prcc prcp pre- prec pree prep pro- proc proe proo prop rccc rcep rcpo recc rece rech recp recr reep rehe reop repe repo repp repr rere rero rhce rhcp rhee rheo rhoc rhoh rocc roce roch roco roer rohe rohr roop roor rope ropo rorc rore roro rpho rpoe rrrr