Simple. Oz. Ozzie. Waldo. Or even...Penquin.
1. "I am making some cookies," Dad said.
2. "I'd like to help you," Sarah said.
3. Dad said, "Your job can be mixing the flour."
4. Sarah said, "What else can I do to help?"
5. "You can help me eat the cookies," Dad said.
I hope this helps!
Answer:
Could be oygo. To me, that one sounds wrong. Not sure though.
Explanation: