cccc cccp cccs cccu ccee ccpe ccpp ccps ccsp ccss ccuc ccup ccus cec- cece cecp cecs ceec cees cepc cepe cepp ceps cesc cese cesp cess ceys ceyu cpce cpcs cpcu cpep cpps cpsc cpsu cpus cscc csce cscs csec csee csep cspc cspe csps csse csup csus csys cucc cuce cues cupe cupp cups cusp cuss cusu cusy cuy- cuyp cyc- cycc cycs cypc cyps cyse cyy- cyyc eccc ecce eces ecpp ecsc ecse ecsp ecss ecsu ecus eecs eeee eees eeps eese eesy epcc epec epee epes eppc eppp epps eppy epsc epsp epss epus esce escs escu esee eses espc espe espp esps espy esse essp essu essy esus euse eyec eyes eyey eype eyse eyup pccc pcce pccs pcep pcpp pcps pcse pece pecs pecy peec peep pees pepe peps pese pess pesu pesy peys ppcc ppcs pppp ppps ppss ppye pscu psec pspp psps pssc psse psy- psys pu-e puce pueu pupe pups pupu pupy puss puuc puy- puys pyce pyep pyes pype pypy pyse pyss sccc scce sccp sccs sccy scec scee scep scey scpe scps scsc scsu scup scye se-c se-e se-s se-u se-y sec- secc sece secs secu secy seec seep sees seeu seey sepe sepp seps sepu sesc sese sess seye seys spcc spcs spec spee spes spey spps spse spsp spss spue spus spy- spys sscc ssce sscp sscs ssec ssee ssep sses sspc sspe ssps sssc ssss suc- succ sucs suee sues sueu suey sup- supe supp sups supy sus- suse susp suss susu susy suus suyu syce syes sype syse syss syue uccp uces ucsc ucsu uess ueys upcs uppc uppe uppp uppu uppy upsc upse upsy upup uscc usce uscs usee uses uspc uspp usps ussc usse usss ussu ussy usus uucp uuuu yccc ycee ye-u yeep yees yepe yepp yeps yess yesu yeue yeye ypcc ysee yses ysse yssu ysue yuce yups yuye yuyu yyyy