cccc ccci cccs ccee ccic ccii ccir ccis ccrc ccre ccri ccrs ccsi ccss cec- cece ceci cecs ceec cees cer- cerc cere ceri cers cery cesc cese cesi cesr cess ceys cicc cici cicr cics ciee cier cies ciii ciis circ cire ciri cirr cirs cis- cisc cise cisr ciss cisy crcc crce crcr cre- crec cree crei cres cric crie cris crss cry- crys cscc csce csci cscr cscs csec csee cser csir csis csrc csrs csse cssr csys cyc- cycc cycs cyre cyrs cyse cyy- cyyc eccc ecce ecci eces ecis ecrc ecri ecrr ecsc ecse ecss eecs eeee eees eerc eers eery eese eesi eesy eics eiec eiei eier eies eire eirs eiry eise eiss eisy ercc erce erec erei erer eres eric erie eris errc erre errs erse ersi eryc erye esce esci escr escs esee eser eses esie esis esri esse essi essy eyec eyer eyes eyey eyir eyre eyry eyse eyyr iccc icci iccr iccs icec icee icer ices icey icis icrc icre icrr icrs icry icsc icse icsi icsr icss iecc ieie iere ieri iers iesc iesi iesr iies iiie iiii iiis iirc iirs iisc iisi iisr ircc ircs iree irer ires iri- iric irie iris iriy irrc irre irri irrs irse iscc isci iscr iscs isec isee iser ises isic isie isis isri issc isse issi issr isss issy isys iyer iyre iyse rccc rccs rcic rcis rcsc rcsi rcss rcyc recc rece reci recr recs recy rees reii reir reis rere reri rers rery rese resi ress reye reys ricc rice rics rier ries riis rire riri rirs risc rise risi riss rrrr rscc rscs rscy rsee rsis rsre ryes ryis rysy s-ic s-ii sccc scce sccs sccy scec scee scer scey sci- scic scie scir scis scr- scrc scre scri scrs scry scsc scsi scsr scye se-c se-e se-i se-s se-y sec- secc sece secr secs secy seec seer sees seey seie seii seir seis serc sere seri serr sers sery sesc sese sesi sess seye seys sicc sice sici sics siec sier sies sirc sire siri sirr sirs sisc sise sisi siss sisy siyi srcc srec sres sris sscc ssce ssci sscs ssec ssee sses ssis ssrc ssri ssrs sssc sssi ssss syce sycr syer syes syis syre syrs syry syse syss yccc ycee ycie yeer yees yeie yeii yeir yere yeri yerr yers yery yesi yess yeye yeyi yeyr yire yirr yise yiss ysee yser yses ysii ysse yyyy