b-p bbb bbk bbo bbp bbr bkb bkk bko bkp bkr bob bok boo bop bor bpb bpo bpp bpr brb brk bro brp brr kbb kbk kbo kbp kbr kkb kkk kkp kkr kob kok koo kop kor kpk kpo kpp kpr krk kro krp krr ob- obb obk obo obp obr okb okk oko okp okr oo- oob ook ooo oop oor op- opb opk opo opp opr or- orb ork oro orp orr p-p pbb pbk pbo pbp pbr pkb pko pkp pkr pob pok poo pop por ppb ppk ppo ppp ppr prb prk pro prp prr rbb rbk rbo rbp rbr rkb rkk rko rkp rob rok roo rop ror rpb rpk rpo rpp rpr rrb rrk rrp rrr

bbbb bbpr bkpr bobb bobo boko boob book boop boor bopp bor- bork boro borr brkb brob brok broo bror brrr kbbb kbbk kbbo kbbr kbkb kbkk kbko kbkr kbob kbok kboo kbpk kbpo kbpr kbrb kbrk kbro kkbb kkbo kkbr kkkk kkob kkoo kkor kkpk kkrb kkrk kkro kkrr kobb kobk kobo kobr kokb kokk koko kokp kokr koob kook kooo koop koor kopb kopp kopr korb kork koro korr kpbb kpbr kpkk kpkr kpob kpok kpoo kpop kppk kppo kppp kppr kprb kprk kpro kprp kprr krbb krbk krbr krkk krko krkr krob krok kroo krop kror krpr krrb krrk krro krrr obbo obkb obok obor obro okko okok okor okpo okro oooo opo- opor oppo orbb orbo orko oro- orok oror orro pbpk pobo poko pook poop poor pop- popo popp porb pork poro porr pppo pppp pro- prob proo prop rbbb rbbr rob- robb robo rokk roko rokr roob rook roop roor ropo rork roro rpob rrrr

b-r-k bbook bo-bo bobko bobok bobr bokko bokok bokor booko borbo borko boro- borok boroo borro brobo brook brrrr k-p-r k-pop k-rob ko-ko kokko kokor korbo korop koror korpo korro kropp o-r-b oboro obrok okobo okoro ooooo opobo orobo pbook po-po poopo poork popop poppo poro- porro probo proor prop- propp propr ro-ro robbo robo- robop robor rokkk rprop

bbbbbb bobrok bokoro booboo borbor boroko bororo brokkr koboko kokopo kokoro kookoo koopoo korkor kororo okpoko ookroo oooooo pookoo poopoo popopo poporo poppop pppppp prokop rokkor

bbbbbbb bok-bok boo-boo boobook kobroor kor-kor korkoro oroboro poo-poo robopop

bbbbbbbb bo-bo-bo kokborok poorpoor poroporo

borborbor poor-book

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