cccc cccp ccee ccoc ccpe ccpp ccpr ccrc ccre ccrp cec- cece ceco cecp ceec ceop ceor cepc cepe cepo cepp cepr cer- cerc cere cero cerp cery ceze cezy coce coco cocp coep coop cope copo copp copr copy cor- corc core coro corp corr cory coyo coyr coze cozy cozz cpce cpep cper cpre crcc crce crcr crcz cre- crec cree creo crep croc croe croo crop cror croy croz crpc cry- cryo cryz cyc- cycc cypc cyre cyy- cyyc czyz eccc ecce ecco eco- ecop ecpp ecrc ecrr eeee eeoc eerc eero eery eeze eore epcc epec epee eper epoc epor eppc eppo eppp eppy epro eprp ercc erce ercp erec erer erez eroc eroe eroo erpe errc erre erro eryc erye eyec eyer eyey eyez eype eyre eyry eyyr ezer ezop ezzo o-eo occc oce ocee ocpp ocre ocro ocrr oec- oecc oeec oere oeye oeyo oocr ooer oooo oore oory ooze oozy opec opep oper opo- opor oppo oppy opry opye orce orco ore- orec oreo orer orey oro- oroe oror oroy oroz orpc orpe orro orry orzo oyce oyee oyer oyez oyre ozee ozer ozey ozzy pccc pcce pcep pcer pcoe pcpp pcrc pcre pece peco pecr pecy pecz peec peep peer peor pepe pepo per- perc pere pero perp perr pery peyo peyr peze pezo pezy poce poco poer poey poop poor pop- popc pope popo popp popy porc pore poro porr pory porz poyo poyr poze pozo ppcc pper pppo pppp pprc ppye prcc prcp pre- prec pree prep prey prez pro- proc proe proo prop proz pyce pyep pyo- pype pypy pyr- pyre pyro pyry pyzy rccc rcep rcpo rcyc recc rece recp recr recy recz reep reop repe repo repp repr repy rere rero rery reye reze rocc roce roco roer roey roop roor rooz rope ropo ropy rorc rore roro rory roye roze rozz rpoe rpyc rrrr rype ryze yccc ycee yeep yeer yepe yepp yere yero yerr yery yeye yeyo yeyr yezo yoop yooz yopo yopy yore yoro yory yoye yoyo yozo ypcc yyyy z-ro zeep zepo zepp zero zeze zoco zoey zoo- zoop zope zopy zorc zore zoro zory zozo zrce zrze zypp zzzz