Code:
  Code    World   Level
  ---------------------
  AAAA    1       1
  BLOY    2       6
  ZARP    4       11
  MILP    6       16
  CREG    7       21
  SMAT    9       26
  PLIM    11      31
  TRUB    12      36
  DRIT    14      41
  HISP    16      46
  FROS    17      51
  QUOL    19      56