-ene cccc cccm ccee ccmc ccmm ccnc ccne ccnm ccnr ccrc ccre cec- cece cecm ceec ceem ceme cemm cemr cen- cene cer- cerc cere cern cmcc cmec cmmc cmmn cmrn cmrr cnrc cnrr crcc crce crcr cre- crec cree crem cren crmn crne eccc ecce eccm ecem ecne ecrc ecrm ecrr eeee eerc emcc emcn emen emer emme emne emre ence enee enem ener ennc enne ercc erce erec erem eren erer ermc erme erne errc erre mccc mcmc mcrc mec- mecc mece mecr meem meen meer memc meme memr men- menc mene menn mer- merc mere merm mern mmcc mmcm mmen mmmc mmmm mmrc mnem mr-c mrcc mrce mree mren mrmc mrnc mrrc nccc nccn nccr ncec ncee ncem ncen ncer ncmm ncnc ncrc ncre necc nece necr neem neen neer nem- neme nemn nene nerc nere nerm nerr nm-e nmmc nmrc nnmc nnnn nrem nren nrrc rccc rcnr recc rece recm recr reem reen reme remn rene renn rere rrmc rrrr