bbb bbk bbr bbs bkb bkk bkr bks bkv brb brk brr brs brv bsb bsk bsr bss bsv bvb bvk bvr bvs bvv kbb kbk kbr kbs kkb kkk kkr kks kkv krk krr krs krv ksb ksk ksr kss ksv kvb kvk kvr kvs kvv rbb rbk rbr rbs rkb rkk rks rkv rrb rrk rrr rrs rsb rsk rsr rss rsv rvb rvr rvs rvv sbb sbk sbr sbs sbv sk- skb skk skr sks sr- srb srk srr srs srv ss- ssb ssk ssr sss ssv svb svk svr svs svv vbk vbr vbs vbv vkb vrb vrk vrr vrs vsb vsk vsr vss vsv vvb vvr vvs vvv

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b-r-k brrrr sssrb sssss

bbbbbb vvvvvv

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