zebu[8], ober[7], robe[7], zero[7], bure[6], euro[5], roue[5],
beo[6], bor[6], erb[5], erz[5], zer[5], uze[5], zur[5], reu[3], ure[3],
ob[5], uz[4], zu[4], er[2], re[2], ur[2],
