No clue why it just jumped into conscious thought since I haven't consciously considered it in nearly 2 hours.

WHIPS. It would cover the W, H, & P. If none of them popped, then the answer would have been K, saving you the need for another flanger to cover K & P.

Still, your flanger, SHAWL, did the trick, so I'm just crossing the same ground and wasting time, but I was "so pleased" with how perfect it would have been that I wanted to share it anyway, knowing it was kinda obnoxious to bother. LOL