frez[8], kred[6], drze[5], rdze[5], krez[5], krze[5], rzek[5], rzez[4],
ref[7], fez[7], dek[5], kek[5], der[4], red[4], ker[4], rek[4], zek[4], zer[3], zez[3],
ef[6], fe[6], de[3], er[2], re[2], ez[2], ze[2],
