wasa[6], waue[6], waus[6], oase[5], aase[4], saue[4],
was[5], wes[5], wau[5], sou[4], uso[4], aas[3], ase[3], aua[3], aue[3], aus[3], sau[3],
wo[5], os[3], so[3], aa[2], as[2], es[2], au[2],
