-ene cccc cccl cccm ccee ccel cclc cclm cclx ccmc ccmm ccnc ccne ccnm ccxl cec- cece cecm ceec ceel ceem cel- celc cele cell ceme cemm cen- cene cexe clec clee clem clxx cmcc cmec cmll cmlx cmmc cmml cmmn cnel cnex cxml cxxx e-cl eccc ecce eccl eccm ecem ecne eeee eele elce elec elee elem elen elex elle elme elml elne emcc emcn emel emen emex emle emlm emme emml emne ence encl enee enel enem ennc enne excl exec exel exen lccc lcce lccm lece leel leem leen lele lell leme lemm lene lenn lexx llcc lllc llll lmcc lmln lmmx lxxx mccc mccl mccx mclx mcmc mcml mcmx mcxc mcxl mec- mecc mece meel meem meen mel- melc mele mell memc meme meml memx men- menc mene menn mexx mlcc mlle mlxx mmcc mmcl mmcm mmcx mmen mmmc mmmm mmxl mmxx mnem mxml nccc nccn ncec ncee ncel ncem ncen nclc ncln ncmm ncnc necc nece neel neem neen nelc nele nell nem- neme nemn nene nexe nexx nlcc nlec nm-e nmex nmmc nmml nnmc nnnn xcel xeme xen- xene xenn xexe xmen xnee xxxx