buś[11], muś[10], bub[9], bum[8], umb[8], jum[8], ujm[8], bun[7], jun[7], bru[7], bur[7], jur[7], ruj[7], mun[6], mru[6], mur[6], rum[6], nur[5], run[5], urn[5],
bu[6], mu[5], nu[4],
