b-u bbb bbs bbu bbw bsb bss bsu bsv bsw bub bus buu buw bvb bvs bvu bvv bvw bwb bws bwu bwv sbb sbs sbu sbv sbw ss- ssb sss ssu ssv ssw sub sus suu suv suw svb svs svu svv swb sws swu swv ubb ubs ubu ubv ubw usb uss usu usv usw uus uuu uvb uvs uvu uvv uvw uwb uws uww vbs vbv vbw vsb vss vsu vsv vsw vus vuv vvb vvs vvv vws wbb wbs wbw wsb wss wsu wsv wsw wub wus wuv wvs wvu wvw wwu wwv www

bbbb bbbs bbws bubb bubs bubu buss busu buus sbbs sbus sssb ssss ssws sub- subb subs sus- suss susu suus suvs suwu swbs swbw swss usbs ussb usss ussu usus uuuu uv-b uvvu vvsb vvvv wbbb wbbs wbbv wbbw wbsb wbss wbsu wbsw wbus wbuv wbuw wbvb wbwb wbwv wsbb wsbs wsbu wsbv wsbw wsss wssu wssw wsus wsuw wsvs wsvu wswb wsws wswv wsww wubb wubu wusb wuss wusu wusw wuub wuuu wuvs wvbb wvbs wvbv wvbw wvsb wvss wvsu wvub wvus wvuv wvvb wvvv wvws wvwv wwbb wwbu wwsb wwss wwsu wwus wwvb wwws wwwv wwww

bbuss bussu busuu s-bus sssss subbu subss susus uuuuu wwwww

bbbbbb bububu ubussu vvvvvv

bbbbbbb sssssss

bbbbbbbb

bbbbbbbbbbbbbbb