bud[8], bum[8], umb[8], dum[7], mud[7], bun[7], bus[7], dnu[6], nud[6], mun[6], mus[6], sum[6], dwu[6], snu[5], wun[5], suw[5],
bu[6], ud[5], mu[5], nu[4], su[4], wu[4],
