Tongue Twisters

1. Peter Piper picked a peck of pickled peppers.
   A peck of pickled peppers Peter Piper picked.
   If Peter Piper picked a peck of pickled peppers?
   Where's the peck of pickled peppers Peter Piper picked?                  
2. Betty bought a bit of butter.
   But the butter Betty bought was bitter.
   so Betty bought a better butter,
   and it was better than the butter Betty bought before. 

This is a Alteration/tongue twister and when the readers read this sentence it is quite common for them to mix their words up or stumble when they read this to quickly.