oral[6], luna[5], ulan[5], narr[4], raun[4], uran[4],
lar[4], alu[4], lau[4], ran[3], rar[3], rau[3], nur[3], run[3],
la[3], on[3], ul[3], an[2], na[2], ar[2], au[2], nu[2], ur[2],
