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 smclrebar riaonedmzs the lretets beteewn the bneiignng and end of a word. Some ppeole can read the rusetls. Try it with a roebaslnay lnog splame of txet taht has a good nembur of wdors more than there lrtetes lnog.