1. A good cook could cook as much cookies as a good cook who could cook cookies.
2. Red lorry, yellow lorry, red lorry, yellow lorry.
3. A big black bug bit a big black bear,made the big black bear bleed blood.
4. She sells sea shells by the sea shore. The shells she sells are surely seashells. So if she sells shells on the seashore, I'm sure she sells seashore shells.
5. The boot black bought the black boot back.
6. Selfish shellfish.
7. Chop shops stock chops.
8. Swan swam over the sea, Swim, swan, swim! Swan swam back again. Well swum, swan!
9. Give papa a cup of proper coffee in a copper coffee cup.
10. Which witch wished which wicked wish.