cccc cccp ccee ccoc ccow ccpe ccpp ccpr ccrc ccre ccrp cec- cece ceco cecp ceec ceop ceor cepc cepe cepo cepp cepr cer- cerc cere cero cerp cewe coce coco cocp coep coop cope copo copp copr cor- corc core coro corp corr cowe cowp cpce cpep cper cpre crcc crce crcr cre- crec cree creo crep crew croc croe croo crop cror crow crpc cwer cwrw eccc ecce ecco eco- ecop ecpp ecrc ecrr eeee eeoc eerc eero eore epcc epec epee eper epoc epor eppc eppo eppp epro eprp ercc erce ercp erec erer erew eroc eroe eroo erpe errc erre erro ewer ewew ewre o-eo occc oce ocee ocpp ocre ocro ocrr oec- oecc oeec oere oocr ooer oooo oore opec opep oper opo- opor oppo orce orco ore- orec oreo orer oro- oroe oror orpc orpe orro orwe orwo ower owoe owow owpe owre pccc pcce pccw pcep pcer pcoe pcpp pcrc pcre pece peco pecr peec peep peer peor pepe pepo per- perc pere pero perp perr pewe poce poco poer poop poor pop- popc pope popo popp porc pore poro porr powe powp powr ppcc pper pppo pppp pprc prcc prcp pre- prec pree prep prew pro- proc proe proo prop prow rccc rcep rcpo rcwp recc rece recp recr reep reop repe repo repp repr rere rero rewe rocc roce roco roer roop roor rope ropo rorc rore roro rowe rowp rowr roww rpoe rrrr wccc wcce wcco wccp wccr wccw wcec wcee wceo wcer wcoc wcoe wcoo wcop wcor wcpc wcpe wcpo wcpp wcpr wcrc wcre wcro wcrp wcrr wcrw wcwc wcwp wecc weco wecr wecw weec weeo weep weer weop weow wepe wepp wepr wer- werc were wero werp werr werw wewc wewe wewo wocc woce woco wocr woer wooc woop woow wopc wopp worc wore woro worp worr worw wowc wowe wowo wowp woww wpcc wpce wpcr wpcw wpec wpeo wpep wper wpoc wpop wpor wpow wppc wppr wpre wpro wprp wprr wpwc wrce wrco wrcr wrcw wrec wree wrer wrew wroc wroo wrop wrow wrpp wrpr wrpw wrrc wrre wrro wrrw wrwc wrwr wwco wwcr wwcw wwec wweo wwer wwor wwow wwpc wwpr wwpw wwrc wwre wwrr wwrw wwwc wwwe wwwr wwww