-ene -one c-cd cccc cccv ccdc ccdh ccdn cced ccee cche ccnc ccne ccoc ccod ccvo cd-e cdec cdnc cdon cdvd cec- cece ceco cedd cede cedo ceec cen- cend cene ceno cevo chce chch chec ched chee cheh chen chev chnc chno choc chod choh chon choo chov chvo cnco cndd cnoh coce coch coco codd code coed coen cohn coho con- conc cond cone conn cono conv cood cooh coon cove covo cvcc cven dccc dccv dche dcon dcvd dddd ddoc dec- decc decd dece deco dedd dede dedo deed deen deev dehn dene denn deno deon deve devo dhec dhed dhee dhod dnce dnev dnoc doce doch doco dod- dodd dode dodo doen dohc donc dond done donn dono dood doon dove dvno eccc ecce ecco ecdc eced eche echo ecne eco- ecod econ eddc edde eddo ede- edeh eden edno edoc edod edon edve eede eeee eend eeoc eevn ehcc ehdd eheh ehen en-v ence ench enco end- ende endh endo ened enee eneo ennc enne eno- enoc enoe enon eocd eode eone even evoe evon evoo hccc hcch hdoc hdod hech hedd hede hedo heed hehe hehn heho hend hene henh henn heno heve hevn hhhh hnce hndd hoce hoch hocn hode hodh hoed hoen hohe hohn hoho hond hone hono hood hooe hoon hove hvcc nccc nccn ncdc ncdn ncec nced ncee ncen nchc nchd ncnc ncnd ncoc ndcc ndde nddo ndoc necc nece nech neco nedc nedd nede nedo need neen neev nehe nend nene nenh neno neo- neoc neod neon neoo neve nevo nhcc nhnn nhon nnnn noce noch noco node nodo noed nohn noho non- none nonn nono noo- noon nooo noov nov- nove novo nvcc o-eo occc occn oce oced ocee oche ocon oddd oded oden odeo odoh odon odoo oec- oecc oedn oedo oeec oen- oeno ohcc ohed ohee ohen ohho ohne ohno ohoh onc- oncd once onco onde ondo one- onec oned onee oneh oneo onne onno onod onon ooho oone oooh oooo ovde ovee oven ovhd ovo- ovod ovon ovoo vche vcon vdcc vdec vecc vech vedc vede vedo veen veho ven- vend vene venn veno veoh veve vevo vhhh voce vode vodo voho vond vone vonn vooc vvvv