wiewa[5],
asie[4], siwa[4], wasi[4], wisa[4], siew[4], siwe[4], wsie[4], wiew[4],
asa[3], ais[3], sia[3], eis[3], sie[3], ewa[3], iwa[3], wie[3], swa[3], was[3], swe[3], siw[3], wis[3], wsi[3],
aa[2], as[2], es[2], se[2], si[2], ew[2], we[2], iw[2],
