bebe[8], rebe[6], beze[6], brze[6], zebr[6], erze[4],
bee[5], ben[5], ber[5], erb[5], reb[5], bez[5], ner[3], ren[3], zen[3], zer[3],
be[4], ee[2], en[2], er[2], re[2], ez[2], ze[2],
