cccc cccs cccu cccv ccee ccrc ccre ccrs ccss ccuc ccus ccvs cec- cece cecs ceec cees cer- cerc cere cers cery cesc cese cesr cess cevy ceys ceyu crcc crce crcr cre- crec cree cres creu crss crue crus cry- crys cscc csce cscr cscs csec csee cser csrc csrs csse cssr csur csus csys cucc cuce cuer cues cure curr curs cury cuss cusu cusy cuve cuvy cuy- cuyr cvcc cver cvrr cvss cyc- cycc cycs cyre cyrs cyse cyve cyy- cyyc eccc ecce eces ecrc ecrr ecru ecrv ecsc ecse ecss ecsu ecus eecs eeee eees eerc eers eery eese eesy ercc erce erec erer eres erev errc erre errs erse eruc erur erus eruv erve eryc erye esce escr escs escu esee eser eses esse essu essy esus euer eur- eurc eure eury euse euvy ever eves evey evre evrs evry evsc eyec eyer eyes eyey eyre eyry eyse eyyr rccc rccs rcsc rcss rcuv rcvr rcvs rcyc recc rece recr recs recu recy rees reev rere rers reru rery rese ress reue reus reuu reve revs revy reye reys rrrr rscc rscs rscy rsee rsre ruce ruer rues rurc rure rurs ruru ruse russ rusu rusy ruve ruvu ruys rv-c rver ryes rysy ryue sccc scce sccs sccy scec scee scer scey scr- scrc scre scrs scry scsc scsr scsu scur scye se-c se-e se-s se-u se-y sec- secc sece secr secs secu secv secy seec seer sees seeu seey serc sere serr sers seru serv sery sesc sese sess seur seve seye seys srcc srec sres sscc ssce sscs ssec ssee sses ssrc ssrs sssc ssss suc- succ sucr sucs suee suer sues sueu suev suey sur- surc sure surr surs suru surv sury sus- suse suss susu susy suus suvs suyr suyu svcc svce svcs svec svsc syce sycr syer syes syre syrs syry syse syss syue syve uces ucrc ucsc ucsu uers uess ueys urcy ure- ures urey urre urry urse urss ursu ursy urur urus urve uscc usce uscs usee user uses ussc usse ussr usss ussu ussy usus uuuu uv-c uver uvvu uyre vcrs vecc veer vees ver- vere vers very vesc vese vess vesy veur veve vevy veye veyr veys vrse vsee vses vssc vsse vues vuse vver vvvv vyce vyer vyes vyre vyse vyss vyue yccc ycee ye-u yeer yees yere yerr yers yery yess yesu yeue yeve yeye yeyr ysee yser yses ysse yssu ysue yuce yuer yure yury yuye yuyu yver yves yyyy