bbb bbk bbs bbt bkb bkk bks bkt bsb bsk bss bst btb btk bts btt k-t kbb kbk kbs kkb kkk kks kkt ksb ksk kss kst ktb ktk kts ktt sbb sbk sbs sbt sk- skb skk sks skt ss- ssb ssk sss sst stb stk sts stt tbb tbk tbs tbt tkb tkk tks tkt tsb tsk tss tst ttb ttk tts ttt

bbbb bbbs bskt bsts btss bttb kbbb kbbk kbbs kbbt kbkb kbkk kbsb kbsk kbss kbst kbtb kbtk kbts kbtt kkbb kkbs kkbt kkkk kkss kkst kktk kkts ksbs kskb kskk ksks ksss ksst kstb kstk ksts kstt ktbb ktbt ktkb ktkk ktks ktkt ktst kttk ktts kttt sbbs sbst sbtk skss sssb ssss sstb ssts stbs stks stss tbbs tbst tkts tsks tsst tsts ttbb ttss tttt

k-t-b sssss tbtbt ttttt

bbbbbb bs-tbs tsktsk

bbbbbbb sssssss tsk-tsk tsktsks

bbbbbbbb

bbbbbbbbbbbbbbb