cccc ccci cccs cccu ccee ccic ccii ccir ccis ccrc ccre ccri ccrs ccsi ccss ccuc ccus cec- cece ceci cecs ceec cees cer- cerc cere ceri cers cery cesc cese cesi cesr cess ceui ceys ceyu cicc cici cicr cics cicu ciee cier cies ciii ciis circ cire ciri cirr cirs cis- cisc cise cisr ciss cisy ciuc cius ciyu crcc crce crcr cre- crec cree crei cres creu cric crie cris criu crss crue crus cry- crys cscc csce csci cscr cscs csec csee cser csir csis csrc csrs csse cssr csur csus csys cucc cuce cuci cuer cues cui- cuir cuis cure curi curr curs cury cuss cusu cusy cuy- cuyr cyc- cycc cycs cyre cyrs cyse cyy- cyyc eccc ecce ecci eces ecis ecrc ecri ecrr ecru ecsc ecse ecss ecsu ecus 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 eriu errc erre errs erse ersi eruc erur erus eryc erye esce esci escr escs escu esee eser eses esie esis esri esse essi essu essy esui esus euer eur- eurc eure eury euse eyec eyer eyes eyey eyir eyre eyry eyse eyyr iccc icci iccr iccs iccu icec icee icer ices icey icis icrc icre icrr icrs icru icry icsc icse icsi icsr icss icue icus iecc ieie iere ieri iers iesc iesi iesr iesu iies iiie iiii iiis iirc iirs iisc iisi iisr iisu iiuc ircc ircs ircu iree irer ires iri- iric irie iris iriy irrc irre irri irrs irse irus iscc isci iscr iscs iscu isec isee iser ises isic isie isis isri issc isse issi issr isss issu issy isus isys iucc iuce iuiu iuse iuss iyer iyre iyse rccc rccs rcic rcis rcsc rcsi rcss rcyc recc rece reci recr recs recu recy rees reii reir reis reiu rere reri rers reru rery rese resi ress reue reus reuu reye reys ricc rice rics rier ries rieu riis rire riri rirs risc rise risi riss risu riue rius rrrr rscc rscs rscy rsee rsis rsre ruce ruci ruer rues ruis rurc rure ruri rurs ruru ruse rusi russ rusu rusy ruyi ruys ryes ryis rysy ryue 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 scsu scur scye se-c se-e se-i se-s se-u se-y sec- secc sece secr secs secu secy seec seer sees seeu seey seie seii seir seis seiu serc sere seri serr sers seru sery sesc sese sesi sess seui seur seye seys sicc sice sici sics sicu siec sier sies sirc sire siri sirr sirs siru sisc sise sisi siss sisu sisy siue siui sius siyi siyu srcc srec sres sris sscc ssce ssci sscs ssec ssee sses ssis ssrc ssri ssrs sssc sssi ssss suc- succ suci sucr sucs suee suer sues sueu suey suie suir suis sur- surc sure suri surr surs suru sury sus- suse susi suss susu susy suus suyi suyr suyu syce sycr syer syes syis syre syrs syry syse syss syue u-ie ucci uces ucrc ucsc ucsu ueir uers uess ueys uies uirr uise urci urcy ure- ures urey uric urie uris uriu urre urri urry urse ursi urss ursu ursy urur urus uscc usce uscs usee user uses usie usis ussc usse ussr usss ussu ussy usui usus uuri uusi uuuu uyir uyre yccc ycee ycie ye-u yeer yees yeie yeii yeir yere yeri yerr yers yery yesi yess yesu yeue yeye yeyi yeyr yire yirr yise yiss ysee yser yses ysii ysse yssu ysue yuce yuer yuie yure yuri yury yuye yuyu yyyy