febr[10], hebd[9], ferm[9], herb[8], berd[7], debr[7], brem[7], herm[7], derm[6],
ref[7], hem[6], dem[5], ber[5], erb[5], reb[5], her[5], der[4], red[4], mer[4], rem[4],
ef[6], fe[6], hm[5], be[4], eh[4], he[4], de[3], em[3], me[3], er[2], re[2],