static string PickWord(RandomNumberGenerator rng, char[] removeThese, bool requireUppercase, bool uppercaseOnlyFirstLetters)
{
Debug.Assert(rng != null);
string s;
do
{
// Pick a word at random within the dictionary:
int v = rng.GetBitsInRange(dictionaryBitOrder, dictionaryCount);
s = wordList[v];
if (removeThese != null)
{
s = s.Filter(removeThese);
// We rejected all the chars; try again:
if (s.Length == 0) continue;
}
// Uppercase the first letter of each word:
if (requireUppercase && uppercaseOnlyFirstLetters)
s = Char.ToUpper(s[0]) + s.Substring(1);
break;
} while (true);
return s;
}