boye[7], bosy[7], weby[7], bose[6], boso[6], webo[6], owsy[5], sowy[5], sowo[4],
boy[6], oby[6], web[5], esy[4], osy[4], ewy[4], oso[3], ewo[3], owe[3], owo[3], swe[3],
by[5], be[4], bo[4], wy[3], eo[2], es[2], se[2], os[2], ew[2], we[2],
