cewo[5], owce[5], woce[5], owco[5], owoc[5], cezo[5],
cew[4], cez[4], cze[4], ewo[3], owe[3], owo[3], ezo[3], zoo[3], zew[3],
ce[3], co[3], eo[2], ew[2], we[2], ez[2], ze[2], oz[2],
