skull[10], kluse[9], lukes[9], ulkes[9], ulkus[9],
keul[8], luke[8], ulke[8], klus[8], luks[8], ulks[8], lues[5], luse[5],
lek[7], luk[7], ulk[7], les[4], leu[4], lus[4],
ul[3], es[2],
