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 cesc cese cesi cesr cess cicc cici cicr cics ciee cier cies ciii ciis circ cire ciri cirr cirs cis- cisc cise cisr ciss crcc crce crcr cre- crec cree crei cres cric crie cris crss cscc csce csci cscr cscs csec csee cser csir csis csrc csrs csse cssr eccc ecce ecci eces ecis ecrc ecri ecrr ecsc ecse ecss eecs eeee eees eerc eers eese eesi eics eiec eiei eier eies eire eirs eise eiss ercc erce erec erei erer eres eric erie eris errc erre errs erse ersi esce esci escr escs esee eser eses esie esis esri esse essi iccc icci iccr iccs icec icee icer ices icis icrc icre icrr icrs 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 irrc irre irri irrs irse iscc isci iscr iscs isec isee iser ises isic isie isis isri issc isse issi issr isss rccc rccs rcic rcis rcsc rcsi rcss recc rece reci recr recs rees reii reir reis rere reri rers rese resi ress ricc rice rics rier ries riis rire riri rirs risc rise risi riss rrrr rscc rscs rsee rsis rsre s-ic s-ii sccc scce sccs scec scee scer sci- scic scie scir scis scr- scrc scre scri scrs scsc scsi scsr se-c se-e se-i se-s sec- secc sece secr secs seec seer sees seie seii seir seis serc sere seri serr sers sesc sese sesi sess sicc sice sici sics siec sier sies sirc sire siri sirr sirs sisc sise sisi siss srcc srec sres sris sscc ssce ssci sscs ssec ssee sses ssis ssrc ssri ssrs sssc sssi ssss