1. A speech recognition method comprising the steps of: (a) receiving a nametag utterance via a microphone associated with an automatic speech recognition system; (b) decoding the nametag utterance to recognize constituent subwords of the nametag utterance using at least one processor associated with the automatic speech recognition system; (c) determining the number of subwords in the nametag utterance; (d) associating the nametag utterance with one or more of a plurality of different nametag clusters based on the number of subwords in the nametag utterance; (e) storing an associated nametag in memory, as representing the nametag utterance, among a plurality of stored nametags; and (f) playing stored nametags back by cluster.
8. The method of claim 1 , wherein the associating step (d) includes comparing the number of subwords to at least one predetermined threshold number and selecting one or more of the plurality of different nametag clusters based on the results of the comparison.