-ene -one bbbb bbch bbeb bbrc bcbc bccc bcec bcer bche bcor bebb bebe bebo bech beck beeb beek been beer behn behr beke beko bene benk benn beno beo- beok beon beor berc bere berk bern bero berr bhcc bher bhor bner bnoc bnor bnrr bobb bobe bobo boce boch bock boco boec boee boen boeo boer bohn boho bohr boke bokn boko bonc bone bonk bonn bono boob booc booe booh book boon boor bor- bore borh bork born boro borr brcb brce breb brec bree brek bren breo brer brkb brno brob broc broe broh brok bron broo bror brrr c-bo cbbc cbcc cbce cbcn cbcr cbec cbee cber cbkn cbko cbkr cbre cbrh cbrn ccbc ccbn cccb cccc ccee cche cchr ccnb ccnc ccne ccnr ccob ccoc ccrc ccre cec- cece ceco ceeb ceec ceke cen- cene ceno ceor cer- cerc cere cern cero chce chch cheb chec chee cheh chek chen cher chkb chnb chnc chno chnr choc choh chok chon choo chor chrb chrc chrn chro chrr ckbc ckbe ckch ckck ckco cken cker cknb cknc ckob ckoc ckoo ckor ckrc cnbc cnco cnoh cnrc cnrr cobb cobe cobh cobo coce coch cock coco coen cohn coho cok- coke coko con- conc cone conk conn cono coob cooh cook coon cor- corb corc core cork corn coro corr crbc crcc crce crcr cre- creb crec cree creh cren creo crkc crne crob croc croe croh crok cron croo cror ebbc ebbo ebbr ebcc eben eber ebno eboe ebon eboo ebor ebro ecbc ecbe eccb eccc ecce ecco eche echo ecko ecne eco- econ ecrc ecrr eeee eeke eeoc eerc eero ehcc eheh ehen eher ehre ekch ekco ekeb ekek eken eker ekho ekne enb- enbn enbr ence ench enco enee eneo ener enke enkr ennc enne eno- enoc enoe enon eone eore erbb erbe ercc erce erch ereb erec eren erer erhc erke erne erno erob eroc eroe eron eroo errc erre erro hboc hcbc hccb hccc hcch hebb hebe hebo hebr hech heck heeb heek heer hehe hehn heho heke hene henh henk henn heno heor herb herc here herk hern hero herr hhhh hkcc hnce hobe hobo hoce hoch hock hocn hocr hoek hoen hoer hohe hohn hoho hoke hoko hone honk hono hooe hook hoon hoor horc hore hork horn horo horr hree hrob hron hrrc kbbb kbbc kbbe kbbk kbbo kbbr kbcb kbce kbch kbck kbco kbcr kbeb kbec kbee kbeh kbek kben kbeo kber kbhb kbhc kbhe kbhh kbhn kbhr kbkb kbkk kbko kbkr kbnh kbnn kbno kbnr kbob kboc kboe kbok kbon kboo kbrb kbrc kbre kbrh kbrk kbrn kbro kcbc kcbk kcbr kccb kccc kcck kccr kceb kcec kcee kceo kche kchh kchk kchn kcho kchr kckc kckk kckn kcko kckr kcnb kcnh kcno kcnr kcob kcoe kcoh kcon kcor kcrc kcrh kcrn kcro kcrr kebb kebc kebe kebn kebr kech keck keco kecr keeh keek keen keer kehk kehr kekb kekc keke keko ken- kene kenk kenn keno kenr keok keon ker- kerb kerc kere kerk kern kero kerr khbc khbr khcb khcc khch khck kheb khec kher khhk khho khke khkk khkn khkr khnc khne khnk khnr khob khoc khoe khok khon khor khrk khro khrr kkbb kkbe kkbn kkbo kkbr kkcb kkch kkck kkcn kkco kkcr kken kkhb kkhh kkhk kkhr kkkk kknb kkne kknn kkno kkob kkoh kkon kkoo kkor kkrb kkrc kkre kkrh kkrk kkrn kkro kkrr knbb knbc knbe knbn knbr kncb knce knch knck kncn knco kncr kneb knec knee knek knen kneo knhc knhk knkk knnb knnk knnr knob knoc knoe knok knon knor knrb knrk knro kobb kobc kobe kobk kobn kobo kobr kocb koch kock kocn koen kohh kohn koho kohr kokb kokc koke kokh kokk kokn koko kokr konc kone konk kono koob kooc kook koon kooo koor korb korc kore kork korn koro korr krbb krbe krbk krbr krcb krcc krce krch krcn krco kreb krec kree kreh krek kren kreo krhc krkc krke krkh krkk krkn krko krkr krnb krne krnh krnk krnn krno krob kroc kroe kroh krok kroo kror krrb krrc krre krrk krrn krro krrr 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 neck neco necr neeb neen neer nehe neke neko nene nenh neno neo- neoc neon neoo nerc nere nerk nero nerr nhcc nheb nhnn nhon nhrc nkok nkor nnnn nobc nobo noce noch nock noco noer nohn noho noke noko non- none nonn nono noo- noob nook noon nooo noor nor- norb norc nore nork norn noro norr nren nroc nron nrrc o-eo obbo obec oben ober obkb oboe obok obon obor obre obrh obro ocbc occc occn oce ocee oche ocke ocon ocre ocro ocrr oec- oecc oeec oen- oeno oere ohbe ohcc ohee ohen oher ohho ohne ohno ohob ohoh ohok ohre ohrn okeh oken oker okko okno okok okon okor okre okro onc- once onco one- oneb onec onee oneh onek oneo oner onne onno onon onor oobe oocr ooer ooho oone oooh oooo oore orbb orbe orbo orce orch orco ore- oreb orec oreh orek oren oreo orer orhe orke orko ornc orne orno oro- oroe orok oron oror orro rbbb rbbr rboh rcbc rcbo rccb rccc rchb rcnr rcon rebb rebe rebk rebo recc rece rech reck recr reeb reek reen rehb rehe rehn reke reko rene renk renn reno rere rero rhce rheb rhee rhen rheo rhob rhoc rhoh rhon rnbr rnco rob- robb robe robo rocc roce roch rock roco roen roer rohe rohn rohr roke rokh rokk roko rokr ronc rone ronk rono roob rook roon roor rorc rore rork roro rrrr