bum[8], umb[8], pub[8], bun[7], pum[7], bus[7], bym[7], mun[6], pun[6], mus[6], sum[6], psu[6], spu[6], snu[5], psy[5], spy[5], syp[5], nys[4], sny[4], syn[4],
bu[6], mu[5], by[5], nu[4], su[4], my[4], ny[3],