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bbbb bcbc bccc bcuc bcvo bobb bobo bobu boco bocu boob booc bovo bubb bubo bubu bucc buco bucu c-bo cbbc cbcc cbcu cbvb ccbc cccb cccc cccu cccv ccob ccoc ccuc ccvo cobb cobo cobu coco cocu coob coub covo cub- cubb cucc cvcc obbo ocbc occc oooo oucc ouu- ovo- ovoo ubbo uboc ucbc uocc uovo uuoc uuuu uv-b uv-c uvvu vbcc vooc vuco vvob vvvv

bo-bo boboc bobov booco bucco ccccc co-bo co-co cocc- cocco couco cubo- cubub cuoco obcov ooooo oovoo ubobo uuuuu v-bob voobu

bbbbbb bobovo boccob booboo boubou bububu bucco- cobbob cocco- cococo coocoo oooooo vvvvvv

bbbbbbb boo-boo cou-cou ububboo

bbbbbbbb bo-bo-bo ubbubboo

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