bobs[9], bubo[9], obst[7], stob[7], obus[7], outs[5],
bob[8], bub[7], bot[6], tob[6], bst[5], bus[5], ost[4], tos[4], sou[4], uso[4], out[4],
ob[5], os[3], so[3], st[2], tu[2],
