It is a simple enough system. You read off the alphabet (ESA version, not ABC) until, with a blink of my eye, I stop you at the letter to be noted. The maneuver is repeated for the letters that follow, so that fairly soon you have a whole word, and then fragments of more or less intelligible sentences. That, at least, is the theory. In reality, all does not go well for some visitors. Because of nervousness, impatience, or obtuseness, performances vary in the handling of the code (which is what we call this method of transcribing my thoughts). Crossword fans and Scrabble players have a head
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