cewo[5], owce[5], woce[5], owco[5], owoc[5], sowo[4],
ces[4], soc[4], cew[4], oso[3], sos[3], ewo[3], owe[3], owo[3], swe[3],
ce[3], co[3], eo[2], es[2], se[2], os[2], ew[2], we[2],
