TONGUE TWISTERS I

Peter Piper picked a peck of pickled peppers.
She sells seashells down by the seashore.
Three free throws
Unique New York
Which wristwatches are Swiss wristwatches?
Many an anemone sees an enemy anemone.
Rubber baby buggy bumpers

A skunk sat on a stump and thought the stump stunk,
but the stump thunk the skunk stunk

Imagine an imaginary menagerie manager
imagining managing an imaginary menagerie.

[The following tongue twister, or some variation of it, is generally regarded as the most difficult:]

The sixth sick sheik's sixth sheep's sick.