efedr[10], derze[6], rezed[6], zderz[6], zerze[5],
fere[8], free[8], frez[8], drze[5], rdze[5], erze[4], rzez[4],
fee[7], ref[7], fez[7], der[4], red[4], zer[3], zez[3],
ef[6], fe[6], de[3], ee[2], er[2], re[2], ez[2], ze[2],
