Crossword Genius

Letters that sound out a sentence (3)

Ross

I believe the answer is:

iou

(Other definitions for iou that I've seen before include "Promissory note" , "Proof of debt" , "Promise to pay in vowels" , "Note acknowledging debt" , "Creditor's note" .)

I've seen this clue in The New York Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.