-ene -yne cccc cccl ccee ccel cclc cclx ccnc ccne ccny ccxl cec- cece ceec ceel cel- celc cele cell cely cen- cene ceny cexe ceyl ceyx clec clee cley clxx cly- clye cnel cnex cxxx cyc- cycc cycl cyen cyl- cylc cyle cyll cyn- cyne cyy- cyyc cyyn e-cl eccc ecce eccl ecly ecne eeee eele eely eeny elce elec elee elen elex eley elle elly elne ence encl ency enee enel eney ennc enne enny enye enyl excl exec exel exen exxy eyec eyen eyey eyle eyne lccc lcce lece lecy leel leen lele lell lely lene lenn leny lexx lexy leye leyn llcc lllc llll llyn lxxx lyc- lyce lyen lyle lyly lync lyne lynn lynx lyx- lyyn nccc nccn ncec ncee ncel ncen nclc ncln ncnc necc nece necy neel neen nelc nele nell nely nene nexe nexx neye neyn nlcc nlec nnnn nycc nyce nycy nyen nyle nyll nyne nyny xcel xely xen- xene xenn xexe xnee xxxx xxxy xyl- xyne yccc ycee yeel yeen yele yell yenc yene yeye ylex ylle ynce ynne yyyy