public void addPairG2P(PairG2P pair)
 {
     _unknownWords.Add(pair);
 }
 /// <summary>
 /// Adding made-up word
 /// </summary>
 /// <param name="pair">Pair of Grapheme (word) and Phoneme (transcription)</param>
 public void addPairG2P(PairG2P pair)
 {
     _speechRecognizer.addPairG2P(pair);
 }