public void GetWordList(char startWithChar, List <string> output)
{
if (startWithChar >= firstChar && startWithChar <= lastChar)
{
//in range
WordGroup found = this.wordGroups[TransformCharToIndex(startWithChar)];
if (found != null)
{
//iterate and collect into
found.CollectAllWords(this.textBuffer, output);
}
}
}