13. The method of claim 11 , wherein the distance value is a minimum edit distance.
11. The method of claim 10 , wherein selecting one of the user spoken utterances comprises: generating the speech model for each received user spoken utterance of the plurality of user spoken utterances; and measuring a distance value between each of the generated speech models and every other generated speech model; wherein selecting one of the plurality of user spoken utterances is based on the measured distance values between the speech model for the selected user spoken utterance and every other generated speech model.