-ene -one bbbb bbch bbeb bbrc bcbc bccc bcec bcer bche bcor bebb bebe bebo bech beeb been beer behn behr bene benn beno beo- beon beor berc bere bern bero berr bhcc bher bhor bner bnoc bnor bnrr bobb bobe bobo boce boch boco boec boee boen boeo boer bohn boho bohr bonc bone bonn bono boob booc booe booh boon boor bor- bore borh born boro borr brcb brce breb brec bree bren breo brer brno brob broc broe broh bron broo bror brrr c-bo cbbc cbcc cbce cbcn cbcr cbec cbee cber cbre cbrh cbrn ccbc ccbn cccb cccc ccee cche cchr ccnb ccnc ccne ccnr ccob ccoc ccrc ccre cec- cece ceco ceeb ceec cen- cene ceno ceor cer- cerc cere cern cero chce chch cheb chec chee cheh chen cher chnb chnc chno chnr choc choh chon choo chor chrb chrc chrn chro chrr cnbc cnco cnoh cnrc cnrr cobb cobe cobh cobo coce coch coco coen cohn coho con- conc cone conn cono coob cooh coon cor- corb corc core corn coro corr crbc crcc crce crcr cre- creb crec cree creh cren creo crne crob croc croe croh cron croo cror ebbc ebbo ebbr ebcc eben eber ebno eboe ebon eboo ebor ebro ecbc ecbe eccb eccc ecce ecco eche echo ecne eco- econ ecrc ecrr eeee eeoc eerc eero ehcc eheh ehen eher ehre enb- enbn enbr ence ench enco enee eneo ener ennc enne eno- enoc enoe enon eone eore erbb erbe ercc erce erch ereb erec eren erer erhc erne erno erob eroc eroe eron eroo errc erre erro hboc hcbc hccb hccc hcch hebb hebe hebo hebr hech heeb heer hehe hehn heho hene henh henn heno heor herb herc here hern hero herr hhhh hnce hobe hobo hoce hoch hocn hocr hoen hoer hohe hohn hoho hone hono hooe hoon hoor horc hore horn horo horr hree hrob hron hrrc nbbc nbbo nbcc nbco nber ncbc nccc nccn nccr ncec ncee ncen ncer nchc ncnc ncoc ncor ncrc ncre nebb nebe nebn nebo nebr necc nece nech neco necr neeb neen neer nehe nene nenh neno neo- neoc neon neoo nerc nere nero nerr nhcc nheb nhnn nhon nhrc nnnn nobc nobo noce noch noco noer nohn noho non- none nonn nono noo- noob noon nooo noor nor- norb norc nore norn noro norr nren nroc nron nrrc o-eo obbo obec oben ober oboe obon obor obre obrh obro ocbc occc occn oce ocee oche ocon ocre ocro ocrr oec- oecc oeec oen- oeno oere ohbe ohcc ohee ohen oher ohho ohne ohno ohob ohoh ohre ohrn onc- once onco one- oneb onec onee oneh oneo oner onne onno onon onor oobe oocr ooer ooho oone oooh oooo oore orbb orbe orbo orce orch orco ore- oreb orec oreh oren oreo orer orhe ornc orne orno oro- oroe oron oror orro rbbb rbbr rboh rcbc rcbo rccb rccc rchb rcnr rcon rebb rebe rebo recc rece rech recr reeb reen rehb rehe rehn rene renn reno rere rero rhce rheb rhee rhen rheo rhob rhoc rhoh rhon rnbr rnco rob- robb robe robo rocc roce roch roco roen roer rohe rohn rohr ronc rone rono roob roon roor rorc rore roro rrrr