cccc cccp ccee cckw ccoc ccow ccpe ccpp ccpr ccrc ccre ccrp cec- cece ceco cecp ceec ceke ceop ceor cepc cepe cepo cepp cepr cer- cerc cere cero cerp cewe ckck ckco ckcw cker ckoc ckoo ckor ckpc ckpr ckrc ckrw ckwr ckww coce cock coco cocp coep cok- coke coko cook coop cope copo copp copr cor- corc core cork coro corp corr cowe cowp cpce cpep cper cpre crcc crce crcr cre- crec cree creo crep crew crkc crkp croc croe crok croo crop cror crow crpc cwer cwrw eccc ecce ecco ecko eco- ecop ecpp ecrc ecrr eeee eeke eeoc eerc eero ekco ekek eker ekpe ekpo ekwe eore epcc epec epee eper epoc epor eppc eppo eppp epro eprp ercc erce ercp erec erer erew erke eroc eroe eroo erpe errc erre erro ewer ewew ewok ewre kccc kcck kccr kcec kcee kceo kcep kckc kckk kcko kckr kcoe kcor kcow kcpc kcpo kcpr kcrc kcro kcrp kcrr kcrw kcwc kcwe kcwk kcwr keck keco kecr keek keep keer kekc keke keko keok kep- kepc kepe ker- kerc kere kerk kero kerp kerr kewe kewp kewr kkck kkco kkcr kkcw kkkk kkoo kkor kkow kkpc kkpk kkrc kkre kkrk kkro kkrr kkwe kkwk kock kocp kocw kokc koke kokk koko kokp kokr kooc kook kooo koop koor kope kopp kopr kopw korc kore kork koro korr kowe kowr kpcc kpcr kpcw kpek kper kpke kpkk kpkr kpoc kpoe kpok kpoo kpop kpow kppc kppk kppo kppp kppr kppw kprc kpre kprk kpro kprp kprr kprw kpwe kpwk kpwr kpww krcc krce krco krcw krec kree krek kreo krew krkc krke krkk krko krkr krkw kroc kroe krok kroo krop kror krow krpr krrc krre krrk krro krrr krrw krwc krwk krwp krwr kwck kwcr kwee kwkc kwkk kwkr kwkw kwoc kwok kwor kwow kwpc kwpw kwre kwrk kwro kwrp kwrr kwrw kwwk kwwr o-eo occc oce ocee ocke ocpp ocre ocro ocrr oec- oecc oeec oere oker okko okok okor okpe okpo okre okro oocr ooer oooo oore opec opep oper opo- opor oppo orce orco ore- orec orek oreo orer orke orko oro- oroe orok oror orpc orpe orro orwe orwo ower owoe owow owpe owre pccc pcce pccw pcep pcer pcoe pcpp pcrc pcre pece peck peco pecr peec peek peep peer peke pekk peko peor pepe pepo per- perc pere perk pero perp perr pewe pewk poce pock poco poer poke poko pook poop poor pop- popc pope popo popp porc pore pork poro porr powe powk powp powr ppcc pper pppo pppp pprc prcc prcp pre- prec pree prek prep prew pro- proc proe proo prop prow rccc rcep rcpo rcwp recc rece reck recp recr reek reep reke reko reop repe repo repp repr rere rero rewe rocc roce rock roco roer roke rokk roko rokr rook roop roor rope ropo rorc rore rork roro rowe rowk rowp rowr roww rpoe rrrr wccc wcce wcck wcco wccp wccr wccw wcec wcee wceo wcer wckk wckr wckw wcoc wcoe wcok wcoo wcop wcor wcpc wcpe wcpk wcpo wcpp wcpr wcrc wcre wcrk wcro wcrp wcrr wcrw wcwc wcwp wecc weck weco wecr wecw weec week weeo weep weer wekc weke weko wekr wekw weok weop weow wepe wepp wepr wer- werc were werk wero werp werr werw wewc wewe wewo wkce wkco wkcw wkew wkkc wkko wkkp wkkr wkkw wkoc wkok wkoo wkor wkow wkpc wkpk wkpo wkpr wkpw wkrc wkre wkrk wkro wkrp wkrr wkwc wocc woce woco wocr woer wokc woke wokk woko wokr wokw wooc wook woop woow wopc wopp worc wore work woro worp worr worw wowc wowe wowo wowp woww wpcc wpce wpck wpcr wpcw wpec wpek wpeo wpep wper wpke wpko wpkr wpoc wpok wpop wpor wpow wppc wppr wpre wprk wpro wprp wprr wpwc wrce wrck wrco wrcr wrcw wrec wree wrek wrer wrew wrkc wrkk wrko wrkr wrkw wroc wrok wroo wrop wrow wrpp wrpr wrpw wrrc wrre wrrk wrro wrrw wrwc wrwr wwck wwco wwcr wwcw wwec wweo wwer wwkc wwkr wwor wwow wwpc wwpr wwpw wwrc wwre wwrk wwrr wwrw wwwc wwwe wwwk wwwr wwww