She listened with keen interest. She was sure he simplified for her but that was fine. "Kek-chak." she repeated.
"It sounds like a very complicated criptoquip but with numbers. Do they further complicate it by making words into anagrams or something? I have heard if encryptions are encrypted in multiple ways it makes it harder. Also, how are the keys being relayed?"
She was sure he had thought of all this because he was far more intelligent, but she was very curious.