-ene cccc cccf cccm cccs ccee ccfc ccff ccmc ccmm ccms ccnc ccne ccnf ccnm ccnr ccns ccrc ccre ccrf ccrs ccsf ccsn ccss cec- cece cecm cecs ceec ceem cees cef- cefc cefn ceme cemm cemr cems cen- cene cens cer- cerc cere cerf cern cers cesc cese cesr cess cfcf cfcm cfcn cfcs cffr cfms cfnm cfnr cfns cfre cfrn cfse cmcc cmcs cmec cmes cmmc cmmn cmms cmrn cmrr cmrs cmsc cmse cmsf cmsn cnes cnrc cnrr cnss crcc crce crcr cre- crec cree crem cren cres crfc crfs crmn crms crne crns crss cscc csce cscf cscr cscs csec csee csem cser csfc csfr csmc csne csrc csrs csse cssm cssr eccc ecce eccm ecef ecem eces ecfc ecfr ecfs ecne ecrc ecrf ecrm ecrr ecsc ecse ecss eecs eeee eees eefe eefn eems eens eerc eers eese efen efes effs efsm emcc emcf emcn emcs emen emer emes emme emms emne emre emrs emse ence encs enee enem ener enes ennc enne enns enrs ense ercc erce erec erem eren erer eres erfc erfs ermc erme erms erne erns errc erre errs erse esce escm escr escs esee esem esen eser eses esfs esme esmr esne esse fccf fces fcmr fcsc fece feem feen feer fees fefc fefe feff feme femm fems fene fenn fens ferc fere ferm fern ferr fers fese fess ffcc ffee ffff ffrr ffss fmcs fmsr fmss fnrs frcc frcn free frem fren fres frfc frmn frns frsc frsm fscc fsec fssc fssf mccc mcef mces mcfc mcmc mcrc mcse mcss mec- mecc mece mecr mecs meef meem meen meer mees mefe meff memc meme memr mems men- menc mene menn mens mer- merc mere merf merm mern mers mes- mesc mese mesr mess mfcc mfrs mmcc mmcm mmcs mmen mmes mmff mmmc mmmm mmms mmrc mmrf mmsc mmse mnem mnse mr-c mrcc mrce mrcs mree mren mres mrfc mrmc mrnc mrrc mrsc mrse mscc msce msec msee msem msfc msff msfs msmc msmm msms mssf mssm mssr nccc nccf nccn nccr nccs ncec ncee ncef ncem ncen ncer nces ncfc ncfe ncmm ncnc ncrc ncre ncsc ncse ncsf ncss necc nece necr necs neef neem neen neer nees nefe neff nefm nefs nem- neme nemn nems nene nens nerc nere nerf nerm nerr ners nesc nese nesn nesr ness nfer nfff nfrs nfsm nfsr nm-e nmff nmfs nmmc nmrc nnes nnmc nnnn nnss nrcs nrem nren nrfc nrrc nrsc nscc nscs nsec nsem nser nsfc nsfs nsmc nsnr nsrc nssc nsse nssf nssr nsss rccc rccs rcfc rcms rcnr rcsc rcss recc rece recm recr recs reef reem reen rees refe reff refn refr refs reme remn rems rene renn rens rere rers rese resn ress rfef rfem rffc rmsc rncs rrfc rrmc rrrr rscc rscn rscs rsee rsfc rsme rsnn rsnr rsre sccc scce sccm sccs scec scee scer scfc scfe scfm scmc scmm scms 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 seec seef seem seen seer sees seff semc seme semn sems sene senn senr sens serc sere serf serm sern serr sers sesc sese sess sfcc sfcs sfer sffc sfmm sfne sfrc sfss smcc smec smee smen smnc smrf smsc smsn smss sncc sncf snee sner snes snns snrs srcc srec srem sres srfc srmc srnn sscc ssce sscs ssec ssee ssem sses ssfc ssmc ssns ssrc ssrm ssrs sssc sssf sssm ssss