The Scrambler

Input:
Output:

What is this?

The scrambler randomizes the letters between the beginning and end of a word. Some people can read the results. Try it with a reasonably long sample of text that has a good number of words more than three letters long.

The srlemcabr roezdanmis the ltrtees beeewtn the bniennigg and end of a word. Some polpee can read the rutlses. Try it wtih a rsoaelabny long splame of txet that has a good nbemur of wdros more than trhee lretets long.