bbbb bbeb bbrc bbrg bcbc bcbg bccc bcec bcer bebb bebe beby beck beeb beeg beek beer beey begg beke berc bere berg berk berr bery beye beyg beyk bgye bkcy bkry brcb brce breb brec bree breg brek brer brey brkb brrr bry- brye bryk byce byck byer byge bygg byke byre byrk cbbc cbcc cbce cbcr cbec cbee cber cbgb cbkg cbkr cbre cbry ccbc cccb cccc ccee ccgc ccrc ccre ccrg cec- cece ceeb ceec cege ceke cer- cerc cere cery cgcc cgcg cger ckbc ckbe ckck ckcy cker ckey ckrc ckry crbc crcc crce crcr cre- creb crec cree creg crkc cry- cryb cybb cybc cyc- cycb cycc cyeg cygb cyke cyre cyrk cyy- cyyc ebbc ebbr ebby ebcc eber ecbc ecbe eccb eccc ecce ecky ecrc ecrr eeby eeee eeke eerc eerg eery egbe egcc egcg egcr egec egee eger eggb egge eggy egre egry egyr ekeb ekek eker erbb erbe ercc erce ereb erec erer erg- ergg erke errc erre eryc erye eyck eyeb eyec eyer eyey eyke eyre eyry eyyr gc-c gcbc gccc gcrg gebe geby gece geck geek geer gege gegg gerb gere gery gggg grbr grcc grce greb grec gree greg grey grrr gry- grye gybe gyer gyge gyr- gyre kbbb kbbc kbbe kbbg kbbk kbbr kbcb kbce kbck kbcr kbcy kbeb kbec kbee kbek kber kbey kbgb kbge kbgg kbgr kbgy kbkb kbkg kbkk kbkr kbky kbrb kbrc kbre kbrg kbrk kbry kbyb kbyg kbyr kcbc kcbk kcbr kccb kccc kcck kccr kccy kceb kcec kcee kceg kcey kcgc kcgr kcgy kckc kckk kckr kcky kcrc kcrg kcrr kcry kcye kcyk kcyy kebb kebc kebe kebr kecg keck kecr keek keer kege kegg kegk kegr kegy kekb kekc keke ker- kerb kerc kere kerk kerr keyb keye keyg keyy kgbb kgbc kgbr kgby kgcb kgcc kgce kgcr kgeb kgec kggg kggr kgrb kgrc kgre kgrg kgrk kgrr kkbb kkbe kkbg kkbr kkcb kkck kkcr kkcy kkeg kkgb kkgr kkkk kkrb kkrc kkre kkrk kkrr kkyc kkyy krbb krbe krbg krbk krbr krcb krcc krce krcg kreb krec kree krek krgy krkc krke krkk krkr krky krrb krrc krre krrg krrk krrr krry krye kryk kryy kybb kybc kybe kybg kybr kyby kycc kyck kycr kyee kygr kykc kyke kykk kykr kyky kyrc kyre kyrk kyyk kyyy rbbb rbbr rcbc rccb rccc rcgc rcrg rcyc rebb rebe rebk recc rece reck recr recy reeb reek rege regr reke reky rere rerg rery reye reyk rgbe rrrr rybe ryck ryeb ryge ryke yber ybry yccc ycee yeck yeek yeer yegg yeke yerb yere yerk yerr yery yeye yeyr ykey yrke yyyy