-ene -one c-cd cccc cccp ccdc ccdn ccdp cced ccee ccnc ccne ccnp ccoc ccod ccpe ccpn ccpp cd-e cdec cdnc cdon cec- cece ceco cecp cedd cede cedo ceec cen- cend cene ceno ceop cepc cepe cepo cepp cnco cncp cndd cndp cnep coce coco cocp codd code coed coen coep con- conc cond cone conn cono cood coon coop copd cope copo copp cpce cpep cppd dccc dccp dcon dcop dcpo dddd ddoc ddpo dec- decc decd dece deco dedd dede dedo deed deen deep dene denn deno deon deop depc depe depo depp dnce dnoc dnpo doce doco dod- dodd dode dodo doen donc dond done donn dono donp dood doon doop dope dopo dopp dpcp dppc eccc ecce ecco ecdc eced ecne eco- ecod econ ecop ecpd ecpp eddc edde eddo eddp ede- eden edno edoc edod edon eede eeee eend eeoc ence enco end- ende endo ened enee eneo ennc enne eno- enoc enoe enon enp- eocd eode eone epcc epec epee epen epoc epod epon eppc eppo eppp nccc nccn nccp ncdc ncdn ncec nced ncee ncen ncep ncnc ncnd ncoc ncpc ndcc ndcp ndde nddo ndnp ndoc ndop ndpd necc nece neco nedc nedd nede nedo need neen neep nend nene neno neo- neoc neod neon neoo nepc nepe nnnn noce noco node nodo noed non- none nonn nono noo- noon nooo noop nope npcc nppc nppd o-eo occc occn oce oced ocee ocon ocpd ocpp oddd oded oden odeo odon odoo odop oec- oecc oedn oedo oeec oen- oeno onc- oncd once onco onde ondo one- onec oned onee oneo onep onne onno onod onon oone oooo opec oped open opep opo- opon oppo pccc pcce pcep pcod pcoe pcpn pcpp pdcp pdoc pdpn pece peco ped- pede pedo peec peed peen peep pen- penc pend pene penn peno peon pepd pepe pepo pnec pnon pnpo pnpp pocd poce poco pod- podd pode podo poed ponc pond pone pono ponp pood poon poop pop- popc pope popo popp ppcc ppcd ppen ppod pppd pppn pppo pppp