hub[9], pub[8], phu[8], puh[8], hau[7], uha[7], pup[7], hip[6], phi[6], piu[6], bai[5], hai[5], pap[5], pip[5], pai[4], pia[4],
bu[6], hu[6], ba[4], ha[4], bi[4], hi[4], au[4], pa[3], pi[3], ii[2],
