cccc cccs cccu ccee ccrc ccre ccrs ccss ccuc ccus cec- cece cecs ceec cees cer- cerc cere cers cery cesc cese cesr cess 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 cucq cuer cues cure curr curs cury cuss cusu cusy cuy- cuyr cyc- cycc cycs cyre cyrs cyse cyy- cyyc eccc ecce eces ecrc ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eerc eers eery eese eesy equ- eque equs ercc erce erec erer eres errc erre errs erse eruc erur erus eryc erye esce escr escs escu esee eser eses esqr esqs esse essu essy esus euer eur- eurc eure eury euse eyec eyeq eyer eyes eyey eyre eyry eyse eyyr qcue qere qerq qqqq qrss qsqs qsrs qucu quee quer ques quey quu- quy- quye rccc rccs rcsc rcss rcyc recc rece recr recs recu recy rees reqs rere rers reru rery rese resq ress reue reus reuu reye reys rrrr rscc rscs rscy rsee rsre ruce ruer rues rurc rure rurs ruru ruse russ rusu rusy ruys 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 secy seec seeq seer sees seeu seey seqq seqs sequ serc sere serq serr sers seru sery sesc sese sess seur seye seys srcc srec sres sscc ssce sscs ssec ssee sses ssrc ssrs sssc ssss suc- succ sucr sucs suee suer sues sueu suey suqs sur- surc sure surr surs suru sury sus- suse suss susu susy suus suyr suyu syce sycr syer syes syre syrs syry syse syss syue uces ucrc ucsc ucsu uers uess ueys uqcc urcy ure- ures urey urre urry urse urss ursu ursy uruq urur urus uscc usce uscs usee user uses ussc usse ussr usss ussu ussy usus uuuu uyre yccc ycee ye-u yeer yees yere yerr yers yery yess yesu yeue yeye yeyr ysee yser yses ysse yssu ysue yuce yuer yure yury yuye yuyu yyyy