buu[9], bum[8], umb[8], muu[8], bun[7], bus[7], bym[7], mun[6], mus[6], sum[6], snu[5], nys[4], sny[4], syn[4],
bu[6], uu[6], mu[5], by[5], nu[4], su[4], my[4], ny[3],