flur[8], beul[7], bleu[7], freu[7], rufe[7], ufer[7], ufre[7], bure[6], lure[5],
elf[7], bel[6], leb[6], ruf[6], erb[5], leu[4], reu[3], ure[3],
ul[3], er[2], re[2], ur[2],
