If you have changes for this (like adding in the use of the Ispell module, or anything to quicken it or make it more 'life-like' (remember, this was a quick hack to amuse myself), let me know!
as one of those unfortunate to be working on windows i started wondering... what happens if the monkey is working with microsoft word? it has some built-in spell checking (changing teh to the for instance). i wonder how much this would help/hurt.