bobu[10], bogu[10], puco[8],
bub[9], bug[9], gub[9], buc[8], cug[8], pub[8], bob[7], obu[7], cup[7], puc[7], cob[6], opu[6],
bu[6], gu[6], bo[4], go[4], wu[4], co[3], op[3], po[3],
