feder[8], fedre[8], zeder[7], zerre[7], derer[5],
feze[9], deze[6], erze[6], zerr[6], erde[4], rede[4],
fez[8], fee[6], dez[5], erz[5], zer[5], der[3], erd[3], red[3], ree[3],
er[2], re[2],
