static Map<S, BWImage> getLearnedCharacters2() {
  new Matches m;
  new HashSet<S> md5s;
  for (S s : scanLog_iterator(glyphTeachLog())) {
    s = afterSquareBracketStuff(s);
    Pair<S> p = splitAroundColon_toPair(s);
    if (p == null) continue;
    S md5 = regexpFirstGroupIC("Image (" + md5Regexp() + ")", p.a);
    if (md5 == null) continue;
    md5s.add(md5);
  }
  //print("MD5s we're looking for: " + struct(md5s));
  
  new HashMap<S, BWImage> md5ToImage;
  for (S md5, File f : screenClipFiles()) {
    if (!md5s.contains(md5))
      continue with print("Skipping clip: " + md5);
      
    BWImage img = loadBWImage(f);
    md5ToImage.put(md5, img);
    for (BWImage cImg : horizontalAutoSplitToImages(img)) {
      S cMD5 = ocrMD5OfBWImage(cImg);
      md5ToImage.put(cMD5, cImg);
    }
  }
  
  int found = l(md5ToImage);
  print("Loaded phrase images: " + found + "/" + l(md5s));
  ret md5ToImage;
}