cccc cccp cccu ccee ccpe ccpp ccpr ccrc ccre ccrp ccuc ccup cec- cece cecp ceec cepc cepe cepp cepr cer- cerc cere cerp cery ceyu ceze cezy cpce cpcu cpep cper cpre crcc crce crcr crcz cre- crec cree crep creu crpc crue crup cruz cry- cryz cucc cuce cuer cupe cupp cupr cure curr cury cuy- cuyp cuyr cuzy cyc- cycc cypc cyre cyy- cyyc czyz eccc ecce ecpp ecrc ecrr ecru eeee eerc eery eeze epcc epec epee eper eppc eppp eppy eprp ercc erce ercp erec erer erez erpe errc erre eruc erur eryc erye euer eur- eurc eure eury eyec eyer eyey eyez eype eyre eyry eyup eyyr ezer ezuz pccc pcce pcep pcer pcpp pcrc pcre pece pecr pecy pecz peec peep peer pepe per- perc pere perp perr peru pery peur peyr peze pezy ppcc pper pppp pprc ppru ppur ppye prcc prcp pre- prec pree prep preu prey prez prue pruu pu-e puce puer pueu pupe pupu pupy pur- pure purp purr puru pury puuc puy- pyce pyep pype pypy pyr- pyre pyry pyzy rccc rcep rcyc recc rece recp recr recu recy recz reep repe repp repr repu repy rere reru rery reue reup reuu reye reze rezu rpyc rrrr ruce ruer ruez rupe rupp rupy rurc rure rurp ruru ruze rype ryue ryze u-rp uccp ucrc uppc uppe uppp uppu uppy upup urcy ure- urey urre urry urup urur uruz urzy uucp uuuu uyre uzer yccc ycee ye-u yeep yeer yepe yepp yere yerr yery yeue yeye yeyr ypcc yuce yuer yure yury yuye yuyu yuzu yyyy zeep zepp zeze zrce zrze zuce zurr zuru zuzu zypp zzzz