Can LAAFU effects be modeled?

[ReneZ]

I think a verbose cipher that uses some source of entropy (dice, cards) to add random nulls (Mark Knowles style) or pick one of the few ciphertext variants (the Naibbe) won't necessarily produce extra repeating sequences and, on the contrary, can effectively hide existing ones. Only one-to-one context-free verbose ciphers would need to explain the lack of repeating sequences.

With or without a verbose cipher, one would need something that reduces the repeating phrases, and one can think of numerous examples. With a (consistent) verbose cipher, the problem is just a bit bigger.

Problems is, that the things that break up consistent word sequences will also tend to increase entropy.
- Spelling variations (it should not be too difficult to do an experiment with that)
- Homophonic cipher
- Arbitrary nulls
(note that consistent use of nulls - if ever done - defeats their purpose and turns them into a verbose cipher.

We'd need a well-balanced mix of things that reduces entropy and also breaks up standard phrases.