brau[6], raub[6], aura[4],
aba[5], abi[5], bai[5], bar[5], bau[5], aar[3], ara[3], air[3], rai[3], aua[3], rau[3],
ab[4], bi[4], aa[2], ai[2], ar[2], au[2], ui[2], ur[2],
