-ene -one bbbb bbeb bcbc bccc bcec bcvo bebb bebe bebo beck beeb beek been beke beko bene benk benn beno beo- beok beon bevo bnoc bobb bobe bobo boce bock boco boec boee boen boeo boke bokn boko bonc bone bonk bonn bono boob booc booe book boon bove bovo c-bo cbbc cbcc cbce cbcn cbec cbee cbkn cbko cbvb cbve cbvn ccbc ccbn cccb cccc cccv ccee ccnb ccnc ccne ccob ccoc ccvo cec- cece ceco ceeb ceec ceke cen- cene ceno cevo ckbc ckbe ckck ckco ckcv cken cknb cknc ckob ckoc ckoo ckvo cnbc cnco cobb cobe cobo coce cock coco coen cok- coke coko con- conc cone conk conn cono conv coob cook coon cove covo cvcc cven ebbc ebbo ebcc eben ebno eboe ebon eboo ecbc ecbe eccb eccc ecce ecco ecko ecne eco- econ eeee eeke eeoc eevn ekco ekeb ekek eken ekne en-v enb- enbn ence enco enee eneo enke ennc enne eno- enoc enoe enon eone even evoe evon evoo evvk kbbb kbbc kbbe kbbk kbbo kbcb kbce kbck kbco kbeb kbec kbee kbek kben kbeo kbev kbkb kbkk kbko kbkv kbnn kbno kbnv kbob kboc kboe kbok kbon kboo kbov kbvb kbvc kbvo kcbc kcbk kccb kccc kcck kccv kceb kcec kcee kceo kckc kckk kckn kcko kckv kcnb kcno kcnv kcob kcoe kcon kcvk kcvo kcvv kebb kebc kebe kebn keck keco keek keen kekb kekc keke keko ken- kene kenk kenn keno keok keon keve kkbb kkbe kkbn kkbo kkcb kkck kkcn kkco kken kkkk kknb kkne kknn kkno kkob kkon kkoo kkov kkvv knbb knbc knbe knbn kncb knce knck kncn knco kneb knec knee knek knen kneo knev knkk knnb knnk knob knoc knoe knok knon knvn knvo kobb kobc kobe kobk kobn kobo kocb kock kocn koen kokb kokc koke kokk kokn koko konc kone konk kono koob kooc kook koon kooo koov kovc kove kovk kovo kvbc kvcb kvcc kvce kvck kvco kvcv kvec kven kvnc kvne kvnn kvno kvob kvoc kvoe kvok kvon kvoo kvov kvvn kvvv nbbc nbbo nbcc nbco ncbc nccc nccn ncec ncee ncen ncnc ncoc nebb nebe nebn nebo necc nece neck neco neeb neen neev neke neko nene neno neo- neoc neon neoo neve nevo nkok nnnn nobc nobo noce nock noco noke noko non- none nonn nono noo- noob nook noon nooo noov nov- nove novo nvcc o-eo obbo obec oben obkb oboe obok obon ocbc occc occn oce ocee ocke ocon oec- oecc oeec oen- oeno oken okko okno okok okon onc- once onco one- oneb onec onee onek oneo onne onno onon oobe oone oooo ovee oven ovo- ovon ovoo vbcc vcon vecc veck veen veke ven- vene venk venn veno veve vevo voce voke vone vonk vonn vooc vovk vvob vvvv