cccc cccp cccu ccee ccoc ccpe ccpp ccpr ccrc ccre ccrp ccuc ccup cec- cece ceco cecp ceec ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cere cero cerp ceze coce coco cocp cocu coep coop cope copo copp copr cor- corc core coro corp corr coue coup cour coze cozz cpce cpcu cpep cper cpre crcc crce crcr crcz cre- crec cree creo crep creu croc croe croo crop cror croz crpc crue crup cruz cucc cuce cuer cupe cupo cupp cupr cure curo curr cuzo eccc ecce ecco eco- ecop ecou ecpp ecrc ecrr ecru eeee eeoc eerc eero eeze eore epcc epec epee eper epoc epor eppc eppo eppp epro eprp ercc erce ercp erec erer erez eroc eroe eroo erpe errc erre erro eruc erur euer eur- eurc eure euro ezer ezop ezuz ezzo o-eo occc oce ocee ocpp ocre ocro ocrr ocur oec- oecc oeec oere oocr ooer oooo oore ooze opec opep oper opo- opor oppo orce orco ore- orec oreo orer oro- oroe oror oroz orpc orpe orro orup orzo orzu oucc ouer oupe our- oure ouro ouu- ouze ouzo ozee ozer pccc pcce pcep pcer pcoe pcpp pcrc pcre pece peco pecr pecz peec peep peer peor peou pepe pepo per- perc pere pero perp perr peru peur peze pezo poce poco poer poop poor pop- popc pope popo popp porc pore poro porr porz poup pour poze pozo ppcc pper pppo pppp pprc ppru ppur prcc prcp pre- prec pree prep preu prez pro- proc proe proo prop prou proz prue pruu pu-e puce pueo puer pueu pupe pupu pur- pure puro purp purr puru puuc puzo rccc rcep rcpo recc rece recp recr recu recz reep reop reou repe repo repp repr repu rere rero reru reue reup reuu reze rezu rocc roce roco roer roop roor rooz rope ropo rorc rore roro roru roue roup rouz roze rozz rpoe rrrr ruce ruer ruez rupe rupp rurc rure ruro rurp ruru ruze u-rp uccp ucoz ucrc uocc uor- uore upor uppc uppe uppp uppu upup ure- uro- uroo urpo urre urup urur uruz uucp uuoc uuuu uzer z-ro zeep zepo zepp zero zeze zoco zoo- zoop zope zorc zore zoro zouc zozo zozu zrce zrze zuce zuoz zurr zuru zuzu zzzz