-ene -one bbbb bbeb bbet bbrc bcbc bccc bcec bcer bcet bcor bctc bebb bebe bebo beeb beej been beer beet bene benj benn beno bent beo- beon beor beot berc bere bern bero berr bert betc bete beto bett bjcc bjec bner bnet bnoc bnor bnrr bobb bobe bobo boce boco boec boee boen boeo boer boet bojo bojt bonc bone bonn bono bont boob booc booe boon boor boot bor- bore borj born boro borr bort botb bote botn boto bott brcb brce breb brec bree bren breo brer bret brje brnj brno brob broc broe bron broo bror brot brrr brtc btcc btec bten btob btor btrc btrt bttb c-bo cbbc cbcc cbce cbcn cbcr cbct cbec cbee cber cbet cbot cbre cbrj cbrn cbrt cbtc ccbc ccbn cccb cccc ccee ccjo ccnb ccnc ccne ccnr ccob ccoc ccrc ccre ccrt cctb cctc cctt cec- cece ceco cect ceeb ceec cejc cen- cene ceno cent ceor cer- cerc cere cern cero cert cet- cete ceto cjbc cjcb cjcj cjnb cjnr cjob cjon cjor cjrb cjrc cjrj cjrn cjtr cnbc cnco cnet cnnj cnrc cnrr cnrt cntc cntr cobb cobe cobo coce coco coct coen cojo con- conc cone conj conn cono cont coob coon coot cor- corb corc core corn coro corr cort cotb cotc cote cotn coto cott crbc crcc crce crcr cre- creb crec cree cren creo cret crne crob croc croe cron croo cror crot crrt crtc ctec cten ctne ctor ctot ctrc ctrn cttn ebbc ebbo ebbr ebcc eben eber ebno eboe ebon eboo ebor ebro ecbc ecbe eccb eccc ecce ecco ecct ecne eco- econ ecot ecrc ecrr ect- ectc ecto eeee eent eeoc eerc eero eetc eete ejer ejob ejoo ejot enb- enbn enbr ence enco enee eneo ener ennc enne eno- enoc enoe enoj enon ent- ente entj ento entr eone eont eore eotc eoto erbb erbe ercc erce ereb erec eren erer eret erne erno erob eroc eroe eron eroo errc erre erro etbc etbr etcc etco etec etee eten eter etne etnr etoe eton etre etro ette ettn etto j-ro jbob jcbc jccc jcrc jctn jebb jebe jeer jeet jene jeno jent jeon jere jero jert jetb jete jetn jett jjcc jnco jner jnet jobe jobo joce joco joee jojo jone jonn jono jont joon joor joot jore jorn joro jort joto jott jrbr jrtc jtbc jtcc nbbc nbbj nbbo nbcc nbco nber ncbc nccc nccn nccr ncct ncec ncee ncen ncer ncnc ncoc ncor ncrc ncre nctc ncte nctj nctr nebb nebe nebn nebo nebr necc nece neco necr nect neeb neen neer neet nejo nene neno nent neo- neoc neon neoo neot nerc nere nero nerr nert net- netb nete neto nett nnnn nnot nntn nobc nobo noce noco noct noer non- none nonn nono nont noo- noob nooj noon nooo noor noot nor- norb norc nore norn noro norr nort not- note noto nott nren nroc nron nrrc ntbc ntcc nter ntrc ntto nttr o-eo obbo obec oben ober obet oboe obon obor obot obre obro ocbc occc occn occt oce ocee ocet ocon ocre ocro ocrr oct- octe octo oec- oecc oeec oen- oeno oere onc- once onco onct one- oneb onec onee oneo oner onne onno onon onor ont- ontc onto oobe oocr ooer oone oont oooo oore oort ootb orbb orbe orbo orce orco ore- oreb orec oren oreo orer ornc orne orno oro- oroe oron oror orot orro ortc orte orto otee oten oter oto- otoe oton otoo otor otre otro otte otto rbbb rbbr rcbc rcbo rccb rccc rcet rcnr rcon rctc rebb rebe rebo recc rece recr rect reeb reen reet rene renn reno rent reot rere rero rert rete reto retr rett rnbr rnco rnnt rnot rob- robb robe robo robt rocc roce roco roen roer roet roje rojo ronc rone rono ront roob roon roor root rorc rore roro rort rotc rote rotj rotn roto rotr rott rrrr rtcc rtce rtee tbcb tbcc tbce tbrb tccc tcnn tcon tctc tebo teco tecr tect teec teej teen teer teet tejn tejo tenb tenc tene tenn teno tent teon teor ter- terc tere terj tern tero terr tete teto tetr tett tnbc tncc tneb tobe tobo tobt toce toco toee toen toer toet tojo tonb tone tonj tonn tono toon toor toot torc tore torn toro torr tort totc tote toto totr tott trcc tre- trec tree tren treo tret trno troc troe tron troo trot trtc trte trtr ttbb ttcn tten tteo tter ttoe tton tttt