owsy[5], sowy[5], owsa[4], sowa[4],
asy[4], esy[4], osy[4], ewy[4], osa[3], ewa[3], owa[3], ewo[3], owe[3], swa[3], was[3], swe[3],
wy[3], eo[2], as[2], es[2], se[2], os[2], ew[2], we[2],
