perl[8], lupe[8], pule[8], beul[7], bleu[7], pure[7], bure[6], lure[5],
pub[8], pul[7], bel[6], leb[6], per[6], rep[6], pur[6], erb[5], leu[4], reu[3], ure[3],
ul[3], er[2], re[2], ur[2],