* Sound: "Sound" isn't a palindrome itself.
* From the whistle: This phrase is quite long and complex, making it difficult to find a perfect palindrome.
Here are a few options, depending on what you're looking for:
1. Focusing on "sound":
* "Dood" is a palindrome that sounds vaguely like "sound"
2. Focusing on the whistle:
* "Stets" is a palindrome that might be considered a shortened version of "whistle" (though it's not a real word).
3. Playing with the whole phrase:
* "Rats live on no evil star" is a famous palindrome that contains the concept of "sound" through "live" and "star".
Let me know if you have a specific aspect of the phrase you want to highlight!