def METHOD_NAME(filename):  # -> { 2126: 'Omega', ... }
  m = {}
  with open(filename, 'r') as f:
    for line in f:
      # Omega;2126
      # dalethatafpatah;05D3 05B2   # higher-level combinations; ignored
      line = line.strip()
      if len(line) > 0 and line[0] != '#':
        name, uc = tuple([c.strip() for c in line.split(';')])
        if uc.find(' ') == -1:
          # it's a 1:1 mapping
          m[int(uc, 16)] = name
  return m