>>1. The bandage was wound around the wound.
>>2. The farm was used to produce produce.
>>3. The dump had to refuse more refuse.
>>4. We must polish the Polish furniture
>>5. The soldier decided to desert his dessert in the desert.
>>6. Since there was no time like the present, it was time to present the present.
>>7. The farmer taught his sow to sow.
>>8. After a number of injections my jaw got number.
>>9. The insurance was invalid for the invalid.
>>10. They were too close to the door to close it.
>>11. I shed a tear when I saw the tear in the painting.
>
>Yep, that's the classic beginners' set. For more profound investigations, check Ambiguity, thy name is english.

I can't see why you'd a have a problem with any of those.