-ene bbbb bbeb bbng bbrc bbrg bcbc bcbg bccc bcec bcer bebb bebe beck beeb beeg beek been beer begg beke bene beng benk benn berc bere berg berk bern berr bneg bner bnrr brcb brce breb brec bree breg brek bren brer brkb brrr cbbc cbcc cbce cbcn cbcr cbec cbee cber cbgb cbkg cbkn cbkr cbre cbrn ccbc ccbn cccb cccc ccee ccgc ccnb ccnc ccne ccnr ccrc ccre ccrg cec- cece ceeb ceec cege ceke cen- cene ceng cer- cerc cere cern cgcc cgcg cger ckbc ckbe ckck cken cker ckgn cknb cknc ckrc cnbc cnrc cnrr crbc crcc crce crcr cre- creb crec cree creg cren crkc crne ebbc ebbr ebcc eben eber ecbc ecbe eccb eccc ecce ecne ecrc ecrr eeee eeke eeng eerc eerg egbe egcc egcg egcr egec egee eger eggb egge egne egre ekeb ekek eken eker ekne enb- enbn enbr ence enee eneg ener enge engg engr enke enkr ennc enne erbb erbe ercc erce ereb erec eren erer erg- ergg erke erne errc erre gc-c gcbc gccc gcrg gebe gece geck geek geen geer gege gegg gen- genc gene geng genk genn gerb gere gern gggg ggrn gncc gngc gnrc gnrr grbr grcc grce greb grec gree greg gren grrr kbbb kbbc kbbe kbbg kbbk kbbr kbcb kbce kbck kbcr kbeb kbec kbee kbek kben kber kbgb kbge kbgg kbgn kbgr kbkb kbkg kbkk kbkr kbng kbnn kbnr kbrb kbrc kbre kbrg kbrk kbrn kcbc kcbk kcbr kccb kccc kcck kccr kceb kcec kcee kceg kcgc kcgr kckc kckk kckn kckr kcnb kcnr kcrc kcrg kcrn kcrr kebb kebc kebe kebn kebr kecg keck kecr keek keen keer kege kegg kegk kegr kekb kekc keke ken- kene keng kenk kenn kenr ker- kerb kerc kere kerk kern kerr kgbb kgbc kgbn kgbr kgcb kgcc kgce kgcn kgcr kgeb kgec kgen kggg kggr kgnb kgnc kgng kgnr kgrb kgrc kgre kgrg kgrk kgrn kgrr kkbb kkbe kkbg kkbn kkbr kkcb kkck kkcn kkcr kkeg kken kkgb kkgr kkkk kknb kkne kknn kkrb kkrc kkre kkrk kkrn kkrr knbb knbc knbe knbn knbr kncb knce knck kncn kncr kneb knec knee knek knen kngn kngr knkk knnb knng knnk knnr knrb knrg knrk krbb krbe krbg krbk krbr krcb krcc krce krcg krcn kreb krec kree krek kren krgn krkc krke krkk krkn krkr krnb krne krng krnk krnn krrb krrc krre krrg krrk krrn krrr nbbc nbcc nber ncbc nccc nccn nccr ncec ncee ncen ncer ncgr ncnc ncrc ncre nebb nebe nebn nebr necc nece neck necr neeb neen neer nege neke nene neng nerc nere nerk nerr ngen nger nkgb nngn nnnn nren nrrc rbbb rbbr rcbc rccb rccc rcgc rcnr rcrg rebb rebe rebk recc rece reck recr reeb reek reen rege regn regr reke rene reng renk renn rere rerg rgbe rnbr rrrr