ceber[8], berek[8], rebek[8], cerek[7], nerce[6], nerek[6],
bece[7], brek[7], rebe[6], erce[5], erek[5],
bek[6], bee[5], cek[5], ben[5], ber[5], erb[5], reb[5], cen[4], cne[4], cer[4], ker[4], rek[4], ner[3], ren[3],
be[4], ce[3], ee[2], en[2], er[2], re[2],
