-ene -one bbbb bbch bbeb bbrc bcbc bccc bcec bcer bche bcor bcvo bebb bebe bebo bech beeb been beer behn behr bene benn beno beo- beon beor berc bere bern bero berr bevo 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 bove bovo brcb brce breb brec bree bren breo brer brev brno brob broc broe broh bron broo bror brrr c-bo cbbc cbcc cbce cbcn cbcr cbec cbee cber cbre cbrh cbrn cbvb cbve cbvn cbvr ccbc ccbn cccb cccc cccv ccee cche cchr ccnb ccnc ccne ccnr ccob ccoc ccrc ccre ccvo cec- cece ceco ceeb ceec cen- cene ceno ceor cer- cerc cere cern cero cevo chce chch cheb chec chee cheh chen cher chev chnb chnc chno chnr choc choh chon choo chor chov chrb chrc chrn chro chrr chvo cnbc cnco cnoh cnrc cnrr cobb cobe cobh cobo coce coch coco coen cohn coho con- conc cone conn cono conv coob cooh coon cor- corb corc core corn coro corr cove covo crbc crcc crce crcr cre- creb crec cree creh cren creo crne crob croc croe croh cron croo cror cvcc cven cver cvrr 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 ecrv eeee eeoc eerc eero eevn ehcc eheh ehen eher ehre en-v 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 erev erhc erne erno erob eroc eroe eron eroo errc erre erro erve even ever evoe evon evoo evre 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 heve hevn hhhh hnce hobe hobo hoce hoch hocn hocr hoen hoer hohe hohn hoho hone hono hooe hoon hoor horc hore horn horo horr hove hree hrob hron hrrc hvcc 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 neev nehe nene nenh neno neo- neoc neon neoo nerc nere nero nerr nerv neve nevo nhcc nheb nhnn nhon nhrc nnnn nobc nobo noce noch noco noer nohn noho non- none nonn nono noo- noob noon nooo noor noov nor- norb norc nore norn noro norr norv nov- nove novo nren nroc nron nrrc nvcc 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 orve orvr ovee oven over ovo- ovon ovoo ovre rbbb rbbr rboh rcbc rcbo rccb rccc rchb rcnr rcon rcvr rebb rebe rebo recc rece rech recr reeb reen reev rehb rehe rehn rene renn reno rere rero reve revo rhce rheb rhee rhen rheo rhob rhoc rhoh rhon rnbr rnco rob- robb robe robo rocc roce roch roco roen roer roev rohe rohn rohr ronc rone rono roob roon roor rorc rore roro rove rovo rrrr rv-c rver rvvh vbcc vche vcon vecc vech veen veer veho ven- vene venn veno veoh veor ver- verb vere vern vero veve vevo vhhh voce voer voho vone vonn vooc voor vor- vore voro vreo vrhe vrnn vroc vron vver vvob vvvv