-ene cccc cccf cccm cccs ccee ccfc ccff ccmc ccmm ccms ccnc ccne ccnf ccnm ccns ccsf ccsn ccss cec- cece cecm cecs ceec ceem cees cef- cefc cefn ceme cemm cems cen- cene cens cesc cese cess cfcf cfcm cfcn cfcs cfms cfnm cfns cfse cmcc cmcs cmec cmes cmmc cmmn cmms cmsc cmse cmsf cmsn cnes cnss cscc csce cscf cscs csec csee csem csfc csmc csne csse cssm eccc ecce eccm ecef ecem eces ecfc ecfs ecne ecsc ecse ecss eecs eeee eees eefe eefn eems eens eese efen efes effs efsm emcc emcf emcn emcs emen emes emme emms emne emse ence encs enee enem enes ennc enne enns ense esce escm escs esee esem esen eses esfs esme esne esse fccf fces fcsc fece feem feen fees fefc fefe feff feme femm fems fene fenn fens fese fess ffcc ffee ffff ffss fmcs fmss fscc fsec fssc fssf mccc mcef mces mcfc mcmc mcse mcss mec- mecc mece mecs meef meem meen mees mefe meff memc meme mems men- menc mene menn mens mes- mesc mese mess mfcc mmcc mmcm mmcs mmen mmes mmff mmmc mmmm mmms mmsc mmse mnem mnse mscc msce msec msee msem msfc msff msfs msmc msmm msms mssf mssm nccc nccf nccn nccs ncec ncee ncef ncem ncen nces ncfc ncfe ncmm ncnc ncsc ncse ncsf ncss necc nece necs neef neem neen nees nefe neff nefm nefs nem- neme nemn nems nene nens nesc nese nesn ness nfff nfsm nm-e nmff nmfs nmmc nnes nnmc nnnn nnss nscc nscs nsec nsem nsfc nsfs nsmc nssc nsse nssf nsss sccc scce sccm sccs scec scee scfc scfe scfm scmc scmm scms scsc scsn se-c se-e se-f se-n se-s sec- secc sece secn secs seec seef seem seen sees seff semc seme semn sems sene senn sens sesc sese sess sfcc sfcs sffc sfmm sfne sfss smcc smec smee smen smnc smsc smsn smss sncc sncf snee snes snns sscc ssce sscs ssec ssee ssem sses ssfc ssmc ssns sssc sssf sssm ssss