bbb bbc bbk bbo bbr bbs bcb bcc bck bco bcr bcs bkb bkc bkk bko bkr bks bob boc bok boo bor bos brb brk bro brr brs bsb bsc bsk bso bsr bss c-- cbb cbc cbk cbo cbr cbs ccb ccc cck cco ccr ccs ckb ckc cko cks co- cob coc cok coo cor cos crb crc crk cro crr crs csb csc csk cso csr css kbb kbc kbk kbo kbr kbs kcb kcc kck kcr kcs kkb kkc kkk kkr kks kob koc kok koo kor kos krc krk kro krr krs ksb ksc ksk kso ksr kss ob- obb obc obk obo obr obs oc- ocb occ ock oco ocr ocs okb okc okk oko okr oks oo- oob ooc ook ooo oor oos or- orb orc ork oro orr ors os- osb osc osk oso osr oss rbb rbc rbk rbo rbr rbs rcb rcc rco rcr rcs rkb rkc rkk rko rks rob roc rok roo ror ros rrb rrc rrk rrr rrs rsb rsc rsk rso rsr rss sbb sbc sbk sbo sbr sbs scb scc sck sco scr scs sk- skb skc skk sko skr sks sob soc sok soo sor sos sr- srb src srk sro srr srs ss- ssb ssc ssk sso ssr sss

bbbb bbbs bbrc bcbc bcbs bccc bccs bcor bcos bcrs bcsc bcss bobb bobo bobs bock boco bocs boko boks boob booc book boor boos bor- bork boro borr bors bosc bosk boso boss brcb brkb brob broc brok broo bror bros brrr brrs brsb brsr bscs bsos bssc c-bo cbbc cbbs cbcc cbcr cbcs cbko cbkr cbsc ccbc cccb cccc cccs ccob ccoc ccrc ccrs ccss ckbc ckck ckco ckcs ckob ckoc ckoo ckor ckos ckrc cksb ckso cobb cobo cobs cock coco cok- coko coob cook coos cor- corb corc cork coro corr cors cosc coso coss crbc crcc crcr crkc crob croc crok croo cror crss cscb cscc csco cscr cscs csks csob csor csos csrc csrs cssr k-os kbbb kbbc kbbk kbbo kbbr kbbs kbcb kbck kbco kbcr kbcs kbkb kbkk kbko kbkr kbob kboc kbok kboo kbos kbrb kbrc kbrk kbro kbsb kbsk kbso kbsr kbss kcbc kcbk kcbr kcbs kccb kccc kcck kccr kckc kckk kcko kckr kcob kcor kcos kcrc kcro kcrr kcrs kcsb kcsc kcsr kcss kkbb kkbo kkbr kkbs kkcb kkck kkco kkcr kkcs kkkk kkob kkoo kkor kkrb kkrc kkrk kkro kkrr kkrs kksr kkss kobb kobc kobk kobo kobr kobs kocb kock kocs kokb kokc kokk koko kokr koks koob kooc kook kooo koor koos korb korc kork koro korr kors kos- kosb kosc koso kosr koss krbb krbk krbr krcb krcc krco krcs krkc krkk krko krkr krks krob kroc krok kroo kror kros krrb krrc krrk krro krrr krrs krsc krsk krsr krss ksbc ksbr ksbs kscb ksck ksco kscr kscs kskb kskk ksko kskr ksks ksob ksoc ksok ksoo ksor ksos ksrb ksro ksrr ksrs ksso kssr ksss obbo obkb obok obor obos obro obsr obss ocbc occc ocks ocos ocro ocrr ocrs okko okok okor okro okso oocr oooo ooos orbb orbo orbs orco orcs orko oro- orok oror oros orro orrs orsk orso oscc osco osoo osor osos osro ossb osso rbbb rbbr rbbs rbss rcbc rcbo rccb rccc rccs rcos rcsc rcss rkos rkss rob- robb robo robs rocc rock roco rocs rokk roko rokr roks roob rook roor roos rorc rork roro rosc roso ross rrrr rscc rscs rsos s-os sbbs sbcc sbcs sbor sbrk sccc sccs sck- scob scok scoo scor scr- scrc scrs scsc scso scsr skor skss sobo sobr sobs sock soco socr socs sokk soko sook soor soos sorb soro sorr sors soso soss srbc srcc sros ssbr sscc sscs ssoc ssrc ssrs sssb sssc ssss

b-r-k bbook bbsrc bcock bo-bo bobko boboc bobok bobos bobr bocks bocor bokko bokok bokor boobs boock booco booko books boors borbo borck borcs borko borks boro- borok boroo boros borro borsk bosco boscs bosko bosks bosor bossk bosso brcko brobo brobs brock brook broos bross brrrr bscco c-cor ccccc co-bo co-co cobbs cocc- cocco cocks cocos cokk- cooks coors corbo corks coro- corrs corso corss cos-b cosco crock croco crocs crook croos cross csobs k-rob ko-ko kobos kocks kocsk kokko kokor kokos kooks korbo korck koror koros korro korso kosor kosso krock kroos kross krsko o-r-b obock oboro obrok ockro ocr-b ocros okobo okoc okoro oocss ooooo orcos orobo oroco oroso ososo ossos r-co- rbocs ro-ro robbo robbs robo- robor rocco rocko rocks rocor rokkk rokos rooks rosko rosso rosss rsock s-k-o s-o-r sccbc scobs scoob scoor scors scrob scroo skoko skoob skors so-so sobko sobor socko socks sokos sooks sorbo sorbs sorok soror soros sorsk sorso soss- srock sssrb sssss

bbbbbb bobbos bobrok boccob bocock bocors bokkos bokoro booboo borbor boroko bororo bososo brbcsc brocco brocks brocor brokkr broock brooks brosso c-ross cobbob coboss cocco- cockos cococo coocoo cookoo corcos coroso corros coscob crocco crocks crooks cross- crossb k-rock koboko kokoro kookoo korkor kororo kossos krocks krokos obroks obsorb oksoko ookroo oooooo orosco orrock rococo rokkor scocco sobos soccos socoro sokoro soosoo soroko sorors sorsor srbsko srocko

bbbbbbb bobross bok-bok boo-boo boobook booboos boocock corosso corsock crosso- kobroor kokocko kor-kor korkoro korosko kos-kos oroboro rocksoc rococco rococos socorro sssssss

bbbbbbbb bbcrooks bo-bo-bo bobobobs boobooks cocoroco cookbook corocoro corossos kokborok ockbrook

bookcross borborbor cookbooks rockbrook roocoocoo

bobbobbobs cooscoosoo crosscross kooskoosoo rockssocks rococococo skcorrocks

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