15. The system of claim 13 , wherein the selected value is pre-assigned in a character set to the first character.
13. A speech recognition system comprising: a primary speech processor that processes an audio signal comprising a spoken utterance of a plurality of uttered characters, wherein the processing comprises determining an identified character sequence by determining corresponding identified characters for individual ones of the plurality of uttered characters; and a character post-processor that selects a plurality of known character sequences that potentially correspond to the identified character sequence and, for each selected known character sequence, scores such known character sequence based at least in part on a weighting of individual characters that comprise the known character sequence, wherein the character post-processor selects a value that corresponds to a first character of the known character sequence in response to determining that the first character of the known character sequence matches a second identified character of the identified character sequence, and adds the selected value to a cumulative score associated with the known character sequence.