szew[4], wesz[4], wsze[4], wszo[4],
ewe[3], ewo[3], owe[3], swe[3], ezo[3], zew[3], zez[3],
ee[2], eo[2], es[2], se[2], os[2], ew[2], we[2], ez[2], ze[2], oz[2],