bbb bbk bbo bbr bkb bkk bko bkr bkv bob bok boo bor bov brb brk bro brr brv bvb bvk bvo bvr bvv kbb kbk kbo kbr kkb kkk kkr kkv kob kok koo kor krk kro krr krv kvb kvk kvo kvr kvv ob- obb obk obo obr obv okb okk oko okr oo- oob ook ooo oor oov or- orb ork oro orr orv ov- ovb ovo ovv rbb rbk rbo rbr rkb rkk rko rkv rob rok roo ror rov rrb rrk rrr rvb rvo rvr rvv vbk vbo vbr vbv vkb vob vok voo vor vov vrb vrk vrr vvb vvo vvr vvv

bbbb bobb bobo boko boob book boor bor- bork boro borr bovo brkb brob brok broo bror brrr kbbb kbbk kbbo kbbr kbkb kbkk kbko kbkr kbkv kbob kbok kboo kbov kbrb kbrk kbro kbrv kbvb kbvo kbvr kkbb kkbo kkbr kkkk kkob kkoo kkor kkov kkrb kkrk kkro kkrr kkrv kkvr kkvv kobb kobk kobo kobr kokb kokk koko kokr koob kook kooo koor koov korb kork koro korr korv kovk kovo kovr krbb krbk krbr krkk krko krkr krkv krob krok kroo kror krov krrb krrk krro krrr krvb krvk krvo krvr krvv kvbr kvob kvok kvoo kvor kvov kvro kvrr kvrv kvvr kvvv obbo obkb obok obor obro okko okok okor okro oooo orbb orbo orko oro- orok oror orro orvr ovo- ovoo rbbb rbbr rob- robb robo rokk roko rokr roob rook roor rork roro rovo rrrr vkor voor vor- voro vovk vvob vvvv

b-r-k bbook bo-bo bobko bobok bobov bobr bokko bokok bokor bokov booko borbo borko boro- borok boroo borov borro borvo brobo brook brrrr k-rob ko-ko kokko kokor korbo koror korro kovor o-r-b oboro obrok obrov okobo okoro ooooo oovoo orobo ro-ro robbo robo- robor rokkk v-bob v-bor vokov vrbov

bbbbbb bobkov bobovo bobrok bobrov bokoro booboo borbor boroko bororo borovo brokkr brovko koboko kokoro kookoo korkor kororo kovrov krkovo ookroo oooooo robovo rokkor vrbovo vvvvvv

bbbbbbb bok-bok boo-boo boobook kobroor kor-kor korbovo korkoro korobov oroboro voorbok

bbbbbbbb bo-bo-bo kokborok korobkov rokovoko vorovoro

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