brum[9], rumb[9], umbr[9], beru[8], bure[8], erbu[8], brem[7], remu[7], puer[7], repu[7], perm[6],
bum[8], umb[8], pub[8], pum[7], bru[7], bur[7], emu[6], mru[6], mur[6], rum[6], ber[5], erb[5], reb[5], mer[4], rem[4], per[4], rep[4],
bu[6], mu[5], be[4], em[3], me[3], pe[3], er[2], re[2],
