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 srcebamlr roiendzams the leertts beweten the bnngnieig and end of a wrod. Smoe ppoele can read the retlsus. Try it with a rsebaaonly lnog spmlae of txet that has a good nebmur of wrdos mroe tahn three ltertes long.