hebd[9], herb[8], berd[7], debr[7], rebe[6],
hep[6], bee[5], ehe[5], ber[5], erb[5], reb[5], her[5], der[4], red[4], per[4], rep[4],
be[4], eh[4], he[4], de[3], pe[3], ee[2], er[2], re[2],
