buc[8], pub[8], obu[7], cup[7], puc[7], bru[7], bur[7], cob[6], opu[6], cru[6], bor[5], rob[5], oru[5], por[4], pro[4], rop[4], rwo[3],
bu[6], bo[4], wu[4], co[3], op[3], po[3], or[2], ro[2],
