aura[6], rusa[6], sura[6], usra[6], waru[6], suwa[6], arsa[4], rasa[4], wara[4], wars[4],
aua[5], aur[5], rus[5], sur[5], suw[5], aaa[3], ara[3], asa[3], ars[3], ras[3], sra[3], rwa[3], war[3], swa[3], was[3],
au[4], su[4], wu[4], aa[2], ar[2], as[2],