-ene -one bbbb bbch bbeb bcbc bccc bcec bche bebb bebe bebo bech beeb been behn bene benn beno beo- beon bhcc bnoc bobb bobe bobo boce boch boco boec boee boen boeo bohn boho bonc bone bonn bono boob booc booe booh boon c-bo cbbc cbcc cbce cbcn cbec cbee ccbc ccbn cccb cccc ccee cche ccnb ccnc ccne ccob ccoc cec- cece ceco ceeb ceec cen- cene ceno chce chch cheb chec chee cheh chen chnb chnc chno choc choh chon choo cnbc cnco cnoh cobb cobe cobh cobo coce coch coco coen cohn coho con- conc cone conn cono coob cooh coon ebbc ebbo ebcc eben ebno eboe ebon eboo ecbc ecbe eccb eccc ecce ecco eche echo ecne eco- econ eeee eeoc ehcc eheh ehen enb- enbn ence ench enco enee eneo ennc enne eno- enoc enoe enon eone hboc hcbc hccb hccc hcch hebb hebe hebo hech heeb hehe hehn heho hene henh henn heno hhhh hnce hobe hobo hoce hoch hocn hoen hohe hohn hoho hone hono hooe hoon nbbc nbbo nbcc nbco ncbc nccc nccn ncec ncee ncen nchc ncnc ncoc nebb nebe nebn nebo necc nece nech neco neeb neen nehe nene nenh neno neo- neoc neon neoo nhcc nheb nhnn nhon nnnn nobc nobo noce noch noco nohn noho non- none nonn nono noo- noob noon nooo o-eo obbo obec oben oboe obon ocbc occc occn oce ocee oche ocon oec- oecc oeec oen- oeno ohbe ohcc ohee ohen ohho ohne ohno ohob ohoh onc- once onco one- oneb onec onee oneh oneo onne onno onon oobe ooho oone oooh oooo