cccc cccp ccee ccgc ccoc ccpe ccpp ccpr ccrc ccre ccrg ccrp cec- cece ceco cecp ceec cege cego ceop ceor cepc cepe cepo cepp cepr cer- cerc cere cero cerp cery ceze cezy cgcc cgcg cger cgro coce coco cocp coep cogo coop cope copg copo copp copr copy cor- corc core corg coro corp corr cory coyo coyr coze cozy cozz cpce cpep cper cpre crcc crce crcr crcz cre- crec cree creg creo crep croc croe croo crop cror croy croz crpc cry- cryo cryz cyc- cycc cyeg cypc cyre cyy- cyyc czyz eccc ecce ecco eco- ecog ecop ecpg ecpp ecrc ecrr eeee eeoc eerc eerg eero eery eeze egcc egcg egcr egec egee eger egge eggo eggp eggy ego- egor egoz egpe egpo egre egry egyo egyr eore epcc epec epee eper epoc epor eppc eppo eppp eppy epro eprp ercc erce ercp erec erer erez erg- ergg ergo eroc eroe eroo erpe errc erre erro eryc erye eyec eyer eyey eyez eype eyre eyry eyyr ezer ezgo ezop ezzo gc-c gccc gcpc gcrg gece geep geer geez gege gegg gego geo- geog gepe gere gero gery gezo gggg ggpo goce gocr goer gogo goog goop goor gopc gope gopo gore gorg goro gorp gorr gory gorz goye goze gozo gper gpgp gprp grcc grce grec gree greg grep grey grez groc grog groo grop gror groy grpc grrr gry- grye gyer gyge gyor gype gypo gyr- gyre gyro gyze o-eo occc oce ocee ocpp ocre ocro ocrr oec- oecc oeec oere oeye oeyo ogee oger ogge oggy ogog ogre ogro ogry oocr ooer oooo oore oory ooze oozy opec opep oper opo- opor oppo oppy opry opye orce orco ore- orec oreg oreo orer orey orge orgo orgy oro- oroe oror oroy oroz orpc orpe orro orry orzo oyce oyee oyer oyez oyre ozee ozer ozey ozge ozzy pccc pcce pcep pcer pcgg pcoe pcpp pcrc pcre pece peco pecr pecy pecz peec peep peer pegg pego pegz peor pepe pepo per- perc pere perg pero perp perr pery peyo peyr peze pezo pezy pgcc pgce pger pgrc poce poco poer poey poge pogg pogo pogy pogz poop poor pop- popc pope popo popp popy porc pore porg poro porr pory porz poyo poyr poze pozo ppcc pper pppo pppp pprc ppye prcc prcp pre- prec pree preg prep prey prez pro- proc proe prog proo prop proz pyce pyep pyg- pygg pyo- pype pypy pyr- pyre pyro pyry pyzy rccc rcep rcgc rcpo rcrg rcyc recc rece recp recr recy recz reep rege rego regr reog reop repe repo repp repr repy rere rerg rero rery reye reze rocc roce roco roeg roer roey roge rogg rogo rogy roog roop roor rooz rope ropo ropy rorc rore roro rory roye roze rozz rpoe rpyc rrrr ryge rype ryze yccc ycee yeep yeer yegg yego yepe yepp yere yero yerr yery yeye yeyo yeyr yezo ygoe ygor yogo yoop yooz yopo yopy yore yoro yory yoye yoyo yozo ypcc yyyy z-ro zeep zegg zego zepo zepp zerg zero zeze zoco zoey zogg zogo zoo- zoop zope zopy zorc zore zorg zoro zory zozo zrce zrze zyg- zygo zypp zzzz