bbbb bbbs bkry brkb brrr brrs brsb brsr brst bry- bryk bskt bsts btrt btry btss bttb byrk byrt bysb byss byst bysy byts bzrk bzyb bzzt bzzz kbbb kbbk kbbr kbbs kbbt kbbz kbkb kbkk kbkr kbky kbkz kbrb kbrk kbrt kbry kbrz kbsb kbsk kbsr kbss kbst kbsy kbsz kbtb kbtk kbtr kbts kbtt kbtz kbyb kbyr kbys kbyz kbzs kbzt kbzy kbzz kkbb kkbr kkbs kkbt kkbz kkkk kkrb kkrk kkrr kkrs kkrt kkrz kksr kkss kkst kktk kkts kkty kktz kkys kkyy kkyz kkzy kkzz krbb krbk krbr krbt krbz krkk krkr krks krky krkz krrb krrk krrr krrs krrt krry krrz krsk krsr krss krst krsy krtk krtr krts krty krtz kryk kryy krzk krzr krzs krzy krzz ksbr ksbs ksby ksbz kskb kskk kskr ksks ksky kskz ksrb ksrr ksrs ksrt ksry ksrz kssr ksss ksst kssz kstb kstk kstr ksts kstt ksty kstz ksyr ksyy kszr ktbb ktbr ktbt ktby ktbz ktkb ktkk ktkr ktks ktkt ktkz ktrb ktrk ktrr ktrs ktrt ktry ktrz ktsr ktst ktsy kttk kttr ktts kttt ktty kttz ktyr ktzk ktzr ktzt ktzz kybb kybr kyby kykk kykr kyks kyky kykz kyrk kyrs kysk kysr kyst kyts kytt kyty kytz kyyk kyys kyyt kyyy kyyz kyzk kyzs kyzz kzbb kzbk kzbr kzbs kzbt kzbz kzkr kzks kzky kzkz kzrb kzrk kzrr kzrs kzrz kzsb kzst kztb kztk kzts kzyr kzzb kzzk kzzr kzzs kzzt kzzy kzzz rbbb rbbr rbbs rbss rbst rkss rkts rrrr rsts rtss rtts rysy rytt rytz ryyt sbbs sbrk sbst sbtk skrt skss sky- skyr skys skyy srby srtr ssbr ssby ssrs sssb ssss sstb ssts stbs stks strk strs stry stss sttr styk styr stys syrs syrt syry syss syst sytt syyk szss szyk tbbs tbrb tbst tkts trst trtr try- tryb trys tsks tssr tsst tsts tsys ttbb ttss tttt ttys tyr- tyrr tyss tyst tytt tyty tzzt ybbs ybry ykyt ysby ysyb ytky yyyy zsss ztst zzzs zzzz