-ene bbbb bbeb bbfc bbfn bblb bbrc bcbc bccc bccl bcec bcer bcfc bebb bebe beck beeb beef beek beel been beer befe beff beke bele belk bell bene benk benn berc bere berk bern berr bffl bleb blee blek blfc blkb blrc bner bnrr brcb brce breb brec bree bref brek brel bren brer brfc brkb brrr cbbc cbcc cbce cbcl cbcn cbcr cbec cbee cbef cber cbfb cbfc cbkl cbkn cbkr cblb cblc cbln cbre cbrl cbrn ccbc ccbn cccb cccc cccf cccl ccee ccel ccfc ccff ccfl cclc ccnb ccnc ccne ccnf ccnr ccrc ccre ccrf ccrl cec- cece ceeb ceec ceel cef- cefc cefn ceke cel- celc cele celf cell cen- cene cer- cerc cere cerf cerl cern cfbc cfbn cfbr cfcb cfcf cfcl cfcn cffb cffr cfln cfnb cfnr cfrb cfre cfrn ckbc ckbe ckck ckcl cken cker ckfr cklf ckln cknb cknc ckrc clec clee clef clek cler cnbc cnbl cnel cnrc cnrr crbc crcc crce crcr cre- creb crec cree cren crfc crfl crkc crkl crlf crne e-cl ebbc ebbr ebcc ebel eben eber ebfc ecbc ecbe eccb eccc ecce eccl ecef ecfc ecfr ecne ecrc ecrf ecrl ecrr eeee eefe eefl eefn eeke eele eerc efbr efen efke ekeb ekek eken eker ekfc ekne el-b elbe elcb elce elec elee elef elek elen eler elfc elfe elke elle elne enb- enbn enbr ence encl enee enel ener enfb enke enkr ennc enne erbb erbe ercc erce ereb erec erel eren erer erfc erke erle erll erne errc erre f--k fble fccf fcnl fece feck feeb feek feel feen feer fefc fefe feff feke fele felf felk fell fene fenk fenn ferb ferc fere ferk fern ferr ffcc ffee ffff ffrr flcl flee flen fler flnb flnc fnlc frbc frcc frcn free fren frfc kbbb kbbc kbbe kbbf kbbk kbbl kbbr kbcb kbce kbck kbcl kbcr kbeb kbec kbee kbef kbek kbel kben kber kbfb kbfc kbff kbfk kbfl kbfr kbkb kbkf kbkk kbkl kbkr kblb kble kblf kbll kblr kbnl kbnn kbnr kbrb kbrc kbre kbrf kbrk kbrl kbrn kcbc kcbf kcbk kcbl kcbr kccb kccc kcck kccl kccr kceb kcec kcee kcel kcfb kcfc kcfl kcfn kckc kckf kckk kckl kckn kckr kclc kcle kclf kclk kcll kcln kclr kcnb kcnr kcrc kcrn kcrr kebb kebc kebe kebn kebr keck kecr keef keek keel keen keer kefb kefc keff kefr kekb kekc keke kekl kele kelf kelk kell keln ken- kene kenk kenl kenn kenr ker- kerb kerc kere kerf kerk kerl kern kerr kfbc kfbk kfbn kfcf kfcr kfeb kfel kfer kffb kfff kffk kffn kfkb kflb kflc kflf kfll kfln kfnc kfnf kfnk kfnl kfnn kfrc kfre kfrn kfrr kkbb kkbe kkbl kkbn kkbr kkcb kkck kkcl kkcn kkcr kken kkfn kkfr kkkk kklb kklc kklf kkll kkln kknb kkne kknn kkrb kkrc kkre kkrf kkrk kkrl kkrn kkrr klbb klbc klbe klbf klbl klbn klcb klcc klce klck klcl klcn klcr kleb klec klee klef klek klen kler klfc klfe klff klfn klkc klkk klkl klkn klkr kllb kllc klle kllk klnc klne klnn klrc klrf klrk klrn klrr knbb knbc knbe knbn knbr kncb knce knck kncn kncr kneb knec knee knef knek knel knen knfl knfr knkk knlb knlc knlf knlr knnb knnk knnr knrb knrk krbb krbe krbk krbl krbr krcb krcc krce krcl krcn kreb krec kree kref krek kren krfc krfe krff krfn krkc krke krkk krkn krkr krlc krle krlf krln krnb krne krnk krnn krrb krrc krre krrf krrk krrl krrn krrr lbcc lblr lcbc lccc lcce lcer lcfc lcfr lcrl lece leck leef leek leel leen leer lefe leff leke lekk lele lell lene lenk lenn lerc lere lerk lern lfcc llcc llef lllc llll lncr lner lnnk lrfc lrne lrrc lrrr nbbc nbcc nber nbfc nbfl ncbc nccc nccf nccn nccr ncec ncee ncef ncel ncen ncer ncfc ncfe nclc ncln nclr ncnc ncrc ncre nebb nebe nebn nebr necc nece neck necr neeb neef neel neen neer nefe neff nefl neke nelc nele nelf nell nene nerc nere nerf nerk nerl nerr nfer nfff nkfc nkrf nlcc nlcf nlec nler nlrb nnnn nren nrfc nrlb nrrc nrrl rbbb rbbr rbcl rble rcbc rccb rccc rcfc rcle rcnl rcnr rebb rebe rebk recc rece reck recr reeb reef reek reel reen refe reff refl refn refr reke relb rele rell rene renk renn rere rfef rffc rffl rkkf rlee rlef rnbr rrfc rrle rrrr