SPOILERS
Given all the usual suspects have had a go, purple jumped out at me because of woodchuck. As soon as I saw that, I was thinking tongue twisters, and seashells and peppers appeared. I struggled for a little while because I wasn't sure if the NYT would use the tongue twister I know for fuzzy, which is more of a spoonerism. And i suspect they didn't as there is another one of which I was unaware.
Fuzzy Wuzzy was a bear,
Fuzzy Wuzzy had no hair,
Fuzzy Wuzzy wasn’t really fuzzy,
Was he?