-ene cccc cccf cccs cccv ccee ccfc ccff ccnc ccne ccnf ccnr ccns ccrc ccre ccrf ccrs ccsf ccsn ccss ccvs cec- cece cecs ceec cees cef- cefc cefn cen- cene cens cer- cerc cere cerf cern cers cesc cese cesr cess cfcf cfcn cfcs cffr cfnr cfns cfre cfrn cfse cnes cnrc cnrr cnss crcc crce crcr cre- crec cree cren cres crfc crfs crne crns crss cscc csce cscf cscr cscs csec csee cser csfc csfr csne csrc csrs csse cssr cvcc cven cver cvfr cvrr cvss eccc ecce ecef eces ecfc ecfr ecfs ecne ecrc ecrf ecrr ecrv ecsc ecse ecss eecs eeee eees eefe eefn eens eerc eers eese eevn efen efes effs en-v ence encs enee ener enes ennc enne enns enrs ense ensv envs ercc erce erec eren erer eres erev erfc erfs erne erns errc erre errs erse erve esce escr escs esee esen eser eses esfs esne esse esvn even ever eves evre evrs evsc fccf fces fcsc fece feen feer fees fefc fefe feff fene fenn fens ferc fere fern ferr fers ferv fese fess feve fevr ffcc ffee ffff ffrr ffss ffvs fnrs fr-v frcc frcn free fren fres frfc frns frsc fscc fsec fssc fssf nccc nccf nccn nccr nccs ncec ncee ncef ncen ncer nces ncfc ncfe ncnc ncrc ncre ncsc ncse ncsf ncss ncvs necc nece necr necs neef neen neer nees neev nefe neff nefs nene nens nerc nere nerf nerr ners nerv nesc nese nesn nesr ness neve nfer nfff nfrs nfsr nnes nnnn nnss nrcs nren nrfc nrrc nrsc nrsv nscc nscs nsec nser nsfc nsfs nsnr nsrc nssc nsse nssf nssr nsss nvcc nvcs nvfc nvfr nvfs nvss rccc rccs rcfc rcnr rcsc rcss rcvr rcvs recc rece recr recs reef reen rees reev refe reff refn refr refs rene renn rens rere rers rese resn ress reve revs rfef rffc rncs rrfc rrrr rscc rscn rscs rsee rsfc rsnn rsnr rsre rv-c rver sccc scce sccs scec scee scer scfc scfe scnr scr- scrc scre scrn scrs scsc scsn scsr se-c se-e se-f se-n se-s sec- secc sece secn secr secs secv seec seef seen seer sees seff sene senn senr sens serc sere serf sern serr sers serv sesc sese sess seve sfcc sfcs sfer sffc sfne sfrc sfss sncc sncf snee sner snes snns snrs srcc srec sres srfc srnn srvn sscc ssce sscs ssec ssee sses ssfc ssns ssrc ssrs sssc sssf ssss svcc svce svcs svec sven svfc svns svsc vcrs vecc veen veer vees ven- vene venn ver- vere vern vers vesc vese vess veve vfcc vref vrnn vrse vscf vsee vsen vses vsfs vssc vsse vver vvvv