rain[4], ainu[4], raun[4], uran[4], ruin[4], urin[4], unau[4],
ani[3], air[3], rai[3], ran[3], uni[3], rau[3], nur[3], run[3],
ai[2], an[2], na[2], in[2], ar[2], au[2], ui[2], nu[2], ur[2],
