berek[8], rebek[8], perek[7], nerek[6], neper[6], pener[6], reper[6], rener[5],
brek[7], rebe[6], krep[6], erek[5], nerp[5],
bek[6], bee[5], ben[5], ber[5], erb[5], reb[5], brr[5], nep[4], pen[4], ker[4], rek[4], per[4], rep[4], prr[4], ner[3], ren[3],
be[4], pe[3], ee[2], en[2], er[2], re[2],
