7. The method of claim 1 , further comprising updating a speech recognizer to associate the first phonetic representation with the text string.
8. The method of claim 7 , further comprising: after updating the speech recognizer, receiving a second speech input including the at least one word; determining a third phonetic representation of the at least one word; and determining that the at least one word corresponds to the text string based on a determination that the third phonetic representation is substantially similar to the first phonetic representation.