cccc cccp cccs cccu ccee ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccsp ccss ccuc ccup ccus cec- cece cecp cecs ceec cees cepc cepe cepp cepr ceps cer- cerc cere cerp cers cery cesc cese cesp cesr cess ceys ceyu cpce cpcs cpcu cpep cper cpps cpre cprs cpsc cpsr cpsu cpus crcc crce crcr cre- crec cree crep cres creu crpc crps crsp crss crue crup crus cry- crys cscc csce cscr cscs csec csee csep cser cspc cspe csps csrc csrs csse cssr csup csur csus csys cucc cuce cuer cues cupe cupp cupr cups cure curr curs cury cusp cuss cusu cusy cuy- cuyp cuyr cyc- cycc cycs cypc cyps cyre cyrs cyse cyy- cyyc eccc ecce eces ecpp ecrc ecrr ecru ecsc ecse ecsp ecss ecsu ecus eecs eeee eees eeps eerc eers eery eese eesy epcc epec epee eper epes eppc eppp epps eppy eprp eprs epsc epsp epss epus ercc erce ercp erec erer eres erpe erps errc erre errs erse eruc erur erus eryc erye esce escr escs escu esee eser eses espc espe espp esps espy esse essp essu essy esus euer eur- eurc eure eury euse eyec eyer eyes eyey eype eyre eyry eyse eyup eyyr pccc pcce pccs pcep pcer pcpp pcps pcrc pcre pcse pece pecr pecs pecy peec peep peer pees pepe peps per- perc pere perp perr pers peru pery pese pess pesu pesy peur peyr peys ppcc ppcs pper pppp ppps pprc ppru ppss ppur ppye prcc prcp prcs pre- prec pree prep pres preu prey prps prrs prsc prse prss prue prus pruu prys pscu psec pspp pspr psps psrp pssc psse psy- psys pu-e puce puer pueu pupe pups pupu pupy pur- pure purp purr purs puru pury puss puuc puy- puys pyce pyep pyes pype pypy pyr- pyre pyry pyse pyss rccc rccs rcep rcps rcsc rcss rcyc recc rece recp recr recs recu recy reep rees repe repp repr reps repu repy rere rers reru rery rese resp ress reue reup reus reuu reye reys rpcs rpps rpyc rrrr rrsp rscc rscs rscy rsee rsps rsre ruce ruer rues rupe rupp rupy rurc rure rurp rurs ruru ruse russ rusu rusy ruys ryes rype rysy ryue sccc scce sccp sccs sccy scec scee scep scer scey scpe scps scr- scrc scre scrs scry scsc scsr scsu scup scur scye se-c se-e se-s se-u se-y sec- secc sece secr secs secu secy seec seep seer sees seeu seey sepe sepp sepr seps sepu serc sere serp serr sers seru sery sesc sese sess seur seye seys spcc spcs spec spee sper spes spey spps sprs spry spse spsp spss spue spur spus spy- spyr spys srcc srec sres srpc srps srsp sscc ssce sscp sscs ssec ssee ssep sses sspc sspe ssps ssrc ssrs sssc ssss suc- succ sucr sucs suee suer sues sueu suey sup- supe supp supr sups supy sur- surc sure surp surr surs suru sury sus- suse susp suss susu susy suus suyr suyu syce sycr syer syes sype syre syrs syry syse syss syue u-rp uccp uces ucrc ucsc ucsu uers uess ueys upcs uppc uppe uppp uppu uppy upsc upse upsy upup urcy ure- ures urey urre urry urse urss ursu ursy urup urur urus uscc usce uscs usee user uses uspc uspp usps ussc usse ussr usss ussu ussy usus uucp uuuu uyre yccc ycee ye-u yeep yeer yees yepe yepp yeps yere yerr yers yery yess yesu yeue yeye yeyr ypcc ysee yser yses ysse yssu ysue yuce yuer yups yure yury yuye yuyu yyyy