There could exist, therefore, at max:
- 26 one-letter 'words'
- 26 by 26 two-letter words
- 26 to the power of 100 one-hundred-letter emails
- And as for books, there would be 26 to the power of a million (assuming 200,000 words averaging five letters per word).
Nevertheless, just as for our hologram gallery, the set of 26 to the power of 1,000,000 permutations would include every book or piece of text ever written (by every author, not just William Shakespeare). They'd tell every story ever told, every history, every narrative in every alternate universe. Everything that anyone could live, imagine or dream.