Dee & Kelley: “Here's 1,500 words of God-given celestial speech.” Me: “That's not enough to do anything with, we need more words!” In a nutshell, spelling spaghetti → substitution map → slightly less OHIO.
These are really, really hard to find on the Internet for some reason. For your convenience, I have decided to provide the Enochian Keys and their translations in this entry.
In order to understand Enochiana, it is worth your while to understand the context in which it arose. This is a fairly short entry on 16th century Britain—which is not a special interest of mine so I've spent less time with it directly.