erhu[8], hero[6], euro[6], hewr[6], uowe[6], eruw[6], rowu[6], woru[6], ower[4], rewo[4],
her[5], hor[5], rho[5], oru[5], ero[3], ewo[3], owe[3], rew[3], wre[3], rwo[3],
hu[6], eh[4], he[4], ho[4], oh[4], wu[4], eo[2], er[2], re[2], or[2], ro[2], ew[2], we[2],
