17. A method for recognizing a spelling of a word in computer-implemented speech recognition, comprising: performing speech recognition on an utterance to produce recognition results; identifying a spelling command in the recognition results, wherein the spelling command indicates that a portion of the utterance comprises a spelling; producing the spelling by searching a dictionary using the recognition results, wherein producing the spelling comprises using confused spelling matching, in which commonly-confused letters are treated as a single letter, to identify the spelling corresponding to the portion of the utterance.
20. The method of claim 17, further comprising generating a list of confused spelling matches and identifying the text corresponding to the spelling as a selection from the list of confused spelling matches.