-ene -one bbbb bbeb bbet bcbc bcbp bccc bcec bcet bcpp bctc bebb bebe bebo beeb been beep beet bene benn beno bent beo- beon beot bepo betc bete beto bett bnet bnoc bnpp bobb bobe bobo boce boco boec boee boen boeo boep boet bonc bone bonn bono bont boob booc booe boon boop boot bope bopp botb bote botn boto bott bpcp bpoe bpot btbp btcc btec bten btob bttb c-bo cbbc cbcc cbce cbcn cbcp cbct cbec cbee cbet cbot cbpc cbpp cbtc ccbc ccbn cccb cccc cccp ccee ccnb ccnc ccne ccnp ccob ccoc ccpe ccpn ccpp cctb cctc cctt cebp cec- cece ceco cecp cect ceeb ceec cen- cene ceno cent ceop cepc cepe cepo cepp cept cet- cete ceto cetp cnbc cnbp cnco cncp cnep cnet cntc cobb cobe cobo coce coco cocp coct coen coep con- conc cone conn cono cont coob coon coop coot cope copo copp copt cotb cotc cote cotn coto cott cpbc cpce cpeb cpep cpnb cpnt cptp ctcp ctec cten ctep ctne ctot ctpo ctpp cttn ebbc ebbo ebcc eben ebno eboe ebon eboo ebpo ecbc ecbe eccb eccc ecce ecco ecct ecne eco- econ ecop ecot ecpp ect- ectc ecto eeee eent eeoc eetc eete enb- enbn ence enco enee eneo ennc enne eno- enoc enoe enon enp- ent- ente ento entp eone eont eotc eoto epcc epec epee epen epoc epon epot eppc eppo eppp epte etbc etcc etco etec etee eten etne etoe eton ette ettn etto nbbc nbbo nbcc nbco nbpp ncbc nccc nccn nccp ncct ncec ncee ncen ncep ncnc ncoc ncpc nctc ncte nebb nebe nebn nebo necc nece neco nect neeb neen neep neet nene neno nent neo- neoc neon neoo neot nepc nepe nept net- netb nete neto nett nnnn nnot nntn nobc nobo noce noco noct non- none nonn nono nont noo- noob noon nooo noop noot nope not- note noto nott npcc nppc nptc npte nptn ntbc ntcc ntop ntpc ntto o-eo obbo obec oben obet oboe obon obot ocbc occc occn occt oce ocee ocet ocon ocpp oct- octe octo oec- oecc oeec oen- oeno onc- once onco onct one- oneb onec onee oneo onep onne onno onon onpt ont- ontc onto oobe oone oont oooo ootb ootp opec open opep opet opo- opon oppo optn opto otee oten otep oto- otoe oton otoo otpp otte otto pbcc pboc pcbc pccc pcce pcep pcnt pcoe pcpb pcpn pcpp pcte pece peco pect peec peen peep peet pen- penc pene penn peno pent peon pepe pepo pete petn peto pett pnec pnet pnon pnot pnpo pnpp pobo poce poco poet ponc pone pono ponp pont poon poop poot pop- popc pope popo popp popt potc pote poto pott ppcc ppen pppn pppo pppp pptn pptt ptcc pten ptop pttc tbcb tbcc tbce tbtp tccc tcep tcnn tcon tcpo tctc tebo teco tect teec teen teet tenb tenc tene tenn teno tenp tent teon tepe tepp tete teto tett tnbc tncc tneb tobe tobo tobt toce toco toee toen toet tonb tone tonn tono toon toot top- tope topo topp topt totc tote toto tott tpcp tpon tppp tpte tptp ttbb ttcn ttcp tten tteo ttoe tton ttop tttt