buce[9], brum[9], rumb[9], umbr[9], muce[8], beru[8], bure[8], erbu[8], brem[7], ceru[7], remu[7], merc[6],
buc[8], bum[8], umb[8], cum[7], muc[7], bru[7], bur[7], ecu[6], emu[6], cru[6], mru[6], mur[6], rum[6], ber[5], erb[5], reb[5], cer[4], mer[4], rem[4],
bu[6], mu[5], be[4], ce[3], em[3], me[3], er[2], re[2],
