Why aren’t there words with triple consecutive letters

Question

We have words with 2 consecutive letters like book, deep, wall, etc. Why aren’t there words with 3 consecutive letters, let’s say boook, deeep, etc. Why is 2 the maximum?

In: 0

Answer 1

There are…”cross-section” is an example. But all “real” words that do this include a hyphen to break the triple up, basically because it’s easier on the brain.