belz[9], zebu[8], beul[7], bleu[7], bure[6], lure[5],
bel[6], leb[6], erb[5], erz[5], zer[5], uze[5], zur[5], leu[4], reu[3], ure[3],
uz[4], zu[4], ul[3], er[2], re[2], ur[2],
