siew[4], siwe[4], wsie[4], ziew[4], zwie[4], szew[4], wesz[4], wsze[4], zwis[4],
eis[3], sie[3], wie[3], swe[3], siw[3], wis[3], wsi[3], zis[3], zew[3], wiz[3],
es[2], se[2], si[2], ew[2], we[2], iw[2], ez[2], ze[2],
