-ene -one cccc cccl ccee ccel cclc ccnc ccne ccoc cec- cece ceco ceec ceel cel- celc cele cell celo cen- cene ceno ceol clec clee cleo cloe clon cloo cnco cnel coce coco coel coen col- cole coll coln colo con- conc cone conn cono cool coon e-cl eccc ecce eccl ecco ecne eco- ecol econ eeee eele eeoc elce elco elec elee elen eleo elle ello elne elon ence encl enco enee enel eneo ennc enne eno- enoc enoe enol enon eole eolo eone lccc lcce lece leco leel leen lele lell lelo lene lenn leno leoc leon llcc lllc llll lloc lloo locc loce locn loco loen lole loll lolo lone lono looc looe lool loon nccc nccn ncec ncee ncel ncen nclc ncln ncnc ncoc necc nece neco neel neen nelc nele nell nelo nene neno neo- neoc neol neon neoo nlcc nlec nnnn noce nocl noco noel nole noll nolo non- none nonn nono noo- nool noon nooo o-eo occc occn oce ocee oclc ocon oec- oecc oeec oele oen- oeno olcc ole- olen oleo olle ollo olne olon onc- once onco one- onec onee onel oneo onne onno onon oolo oone oooo