efy[8], syf[8], efa[7], fee[7], fas[7], fes[7], asy[4], esy[4], ewy[4], ewa[3], ewe[3], swa[3], was[3], swe[3],
fa[6], ef[6], fe[6], wy[3], ee[2], as[2], es[2], se[2], ew[2], we[2],
