berle[8], berze[7], zereb[7],
bele[7], rebe[6], beze[6], brze[6], zebr[6], zele[5], erze[4],
bel[6], ble[6], bee[5], ber[5], erb[5], reb[5], bez[5], lee[4], zer[3],
be[4], el[3], ee[2], er[2], re[2], ez[2], ze[2],
