The Sign of Four. Word Search Puzzle Solver. The Sign of Four word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Sherlock Holmes and Dr. Watson try to track down the Great Mogul the second-largest diamond in the world. This includes identifying and searching for words that are related to : Ian Richardson, Michael OHagan, Terence Rigby, Clive Merrison, Joe Melia, Gordon Rollings, Richard Heffer, John Benfield, Adventure, Kate Binchy, Thorley Walters, Robert Russell, Merelina Kendall, Cherie Lunghi, Crime .