TONGUE TWISTER = VIRE LANGUE (ou casse-langue ou fourche-langue) = A group of words difficult to articulate rapidly because of a succession of similar sounds.
Woodchuck How much wood would a woodchuck chuck if a woodchuck could chuck wood? He would chuck, he would, as much as he could, and chuck as much wood as a woodchuck would if a woodchuck could chuck wood.
Sea Shells by the Sea Shore She sells sea shells by the seashore. The shells she sells are surely seashells. So if she sells shells on the seashore, I'm sure she sells seashore shells.
Peter Piper Peter Piper picked a peck of pickled peppers. Did Peter Piper pick a peck of pickled peppers? If Peter Piper picked a peck of pickled peppers, where's the peck of pickled peppers Peter Piper picked?