dero[5], redo[5], odro[5], ordo[5], oere[4], oreo[4],
deo[4], ode[4], odo[4], der[4], red[4], odr[4], ord[4], rod[4], ero[3], oro[3],
eł[4], de[3], do[3], od[3], ee[2], eo[2], er[2], re[2], or[2], ro[2],
