bbbb bbeb bbpr bbrc bcbc bcbp bccc bcec bcer bcpp bebb bebe beby beck beeb beek beep beer beey beke berc bere berk berr bery beye beyk bkcy bkpr bkry bpcp bprc brcb brce breb brec bree brek brep brer brey brkb brrr bry- brye bryk byce byck byer byke byre byrk cbbc cbcc cbce cbcp cbcr cbec cbee cber cbkr cbpc cbpp cbre cbry ccbc cccb cccc cccp ccee ccpe ccpp ccpr ccrc ccre ccrp cebp cec- cece cecp ceeb ceec ceke cepc cepe cepp cepr cer- cerc cere cerp cery ckbc ckbe ckck ckcy cker ckey ckpc ckpr ckrc ckry cpbc cpce cpeb cpep cper cpre crbc crcc crce crcr cre- creb crec cree crep crkc crkp crpc cry- cryb cybb cybc cyc- cycb cycc cyke cypc cyre cyrk cyy- cyyc ebbc ebbr ebby ebcc eber ecbc ecbe eccb eccc ecce ecky ecpp ecrc ecrr eeby eeee eeke eerc eery ekeb ekek eker ekpe epcc epec epee eper eppc eppp eppy eprb eprp erbb erbe ercc erce ercp ereb erec erer erke erpe errc erre eryc erye eyck eyeb eyec eyer eyey eyke eype eyre eyry eyyr kbbb kbbc kbbe kbbk kbbr kbcb kbce kbck kbcr kbcy kbeb kbec kbee kbek kber kbey kbkb kbkk kbkr kbky kbpc kbpe kbpk kbpr kbpy kbrb kbrc kbre kbrk kbry kbyb kbyr kcbc kcbk kcbr kccb kccc kcck kccr kccy kceb kcec kcee kcep kcey kckc kckk kckr kcky kcpc kcpr kcrc kcrp kcrr kcry kcye kcyk kcyy kebb kebc kebe kebr keck kecr keek keep keer kekb kekc keke kep- kepc kepe kepy ker- kerb kerc kere kerk kerp kerr keyb keye keyy kkbb kkbe kkbr kkcb kkck kkcr kkcy kkkk kkpc kkpk kkrb kkrc kkre kkrk kkrr kkyc kkyy kpbb kpbe kpbr kpcc kpcr kpek kper kpke kpkk kpkr kpky kppc kppk kppp kppr kprb kprc kpre kprk kprp kprr kpyk kpyr krbb krbe krbk krbr krcb krcc krce kreb krec kree krek krkc krke krkk krkr krky krpr krrb krrc krre krrk krrr krry krye kryk kryp kryy kybb kybc kybe kybp kybr kyby kycc kyck kycr kyee kykc kyke kykk kykr kyky kyp- kypb kypc kype kypr kyrc kyre kyrk kyyk kyyy pbcc pbpk pcbc pccc pcce pcep pcer pcpb pcpp pcrc pcre pece peck pecr pecy peec peek peep peer peke pekk pepe per- perc pere perk perp perr pery peyr ppcc pper pppp pprc ppye prbc prcc prcp pre- preb prec pree prek prep prey prky pryk pyce pyck pyep pyke pykk pype pypy pyr- pyre pyrk pyry rbbb rbbr rcbc rccb rccc rcep rcyc rebb rebe rebk recc rece reck recp recr recy reeb reek reep reke reky repe repp repr repy rere rery reye reyk rpyc rrrr rybe rybp ryck ryeb ryke rype yber ybry yccc ycee yeck yeek yeep yeer yeke yepe yepp yerb yere yerk yerr yery yeye yeyr ykep ykey ypcc yrke yyyy