bbb bbk bbr bbs bbt bkb bkk bkr bks bkt brb brk brr brs brt bsb bsk bsr bss bst btb btk btr bts btt k-t kbb kbk kbr kbs kkb kkk kkr kks kkt krk krr krs krt ksb ksk ksr kss kst ktb ktk ktr kts ktt rbb rbk rbr rbs rbt rkb rkk rks rkt rrb rrk rrr rrs rrt rsb rsk rsr rss rst rtb rtk rtr rts rtt sbb sbk sbr sbs sbt sk- skb skk skr sks skt sr- srb srk srr srs srt ss- ssb ssk ssr sss sst stb stk str sts stt tbb tbk tbr tbs tbt tkb tkk tkr tks tkt trb trk trr trs trt tsb tsk tsr tss tst ttb ttk ttr tts ttt

bbbb bbbs brkb brrr brrs brsb brsr brst bskt bsts btrt btss bttb kbbb kbbk kbbr kbbs kbbt kbkb kbkk kbkr kbrb kbrk kbrt kbsb kbsk kbsr kbss kbst kbtb kbtk kbtr kbts kbtt kkbb kkbr kkbs kkbt kkkk kkrb kkrk kkrr kkrs kkrt kksr kkss kkst kktk kkts krbb krbk krbr krbt krkk krkr krks krrb krrk krrr krrs krrt krsk krsr krss krst krtk krtr krts ksbr ksbs kskb kskk kskr ksks ksrb ksrr ksrs ksrt kssr ksss ksst kstb kstk kstr ksts kstt ktbb ktbr ktbt ktkb ktkk ktkr ktks ktkt ktrb ktrk ktrr ktrs ktrt ktsr ktst kttk kttr ktts kttt rbbb rbbr rbbs rbss rbst rkss rkts rrrr rsts rtss rtts sbbs sbrk sbst sbtk skrt skss srtr ssbr ssrs sssb ssss sstb ssts stbs stks strk strs stss sttr tbbs tbrb tbst tkts trst trtr tsks tssr tsst tsts ttbb ttss tttt

b-r-k brrrr bskts btr-t k-t-b rt-rk sssrb sssss strrs tbtbt ttttt

bbbbbb bs-tbs tsktsk

bbbbbbb sssssss tsk-tsk tsktsks

bbbbbbbb

bbbbbbbbbbbbbbb