Stumbled across this blog and had to have a go myself http://blog.ggvic.com/2006/12/it-doesnt-matter-what-order-letters.html
Our brains are so smart that we only need the first and last letters in the correct order to be able to make a very accurate guess at the word.
For a bigger challenge, read Iain M Banks, Feersum Endjinn, much of which is written phonetically, for example:
Woak up. Got dresd. Had brekfast. Spoke wif Ergates thi ant who sed itz juss been wurk wurk wurk 4 u lately master Bascule, Y dont u ½ a holiday? & I agr.Amazon
Have a go jumbling your text: