phu[8], puh[8], hau[7], uha[7], gap[6], hep[6], hop[6], opu[6], ago[5], ego[5], hao[5],
gu[6], hu[6], ag[4], ha[4], eh[4], he[4], go[4], ho[4], oh[4], au[4], pa[3], pe[3], op[3], po[3], eo[2],
