public void TestGetWordStartingWith()
 {
     Assert.AreEqual(20, lowerCaseDictionary.GetWordStartingWith("q"));
     Assert.AreEqual(27, lowerCaseDictionary.GetWordStartingWith("w"));
     Assert.AreEqual(27, lowerCaseDictionary.GetWordStartingWith("x"));
     Assert.AreEqual(40, mixedCaseDictionary.GetWordStartingWith("Q"));
     Assert.AreEqual(54, mixedCaseDictionary.GetWordStartingWith("W"));
     Assert.AreEqual(54, mixedCaseDictionary.GetWordStartingWith("X"));
 }