1. A method of spelling out a word before an audience, comprising the steps of: communicating to an audience a plurality of words germane to a common topic; displaying at least one string of letters each of said letters being found in a respective one of said words; arranging the letters relative to each other during the step of displaying so that a different word may be spelled out with the letters as arranged, the different word being germane to the common topic; and spelling out the different word with those letters as arranged.