39. The method of claim 38 , wherein the indicating comprises, displaying to the user the text strings of the matching ones of the plurality of n-tuples.
38. The method of claim 1 , wherein the dynamically determining comprises determining whether the characters typed so far match any of the text strings in any of the plurality of n-tuples, and wherein the indicating comprises indicating to the user that at least one match has been found if it is determined that the characters typed so far match any of the text strings in any of the plurality of n-tuples.