rain[4], anis[4], sani[4], airs[4], rais[4], sari[4],
ani[3], air[3], rai[3], ran[3], ais[3], ans[3], ins[3], ars[3], ras[3], sir[3],
ai[2], an[2], na[2], in[2], ar[2], as[2], si[2],
