Crossword clues for Letters before a 15-Across 3 lettersAnswerClueAKALetters before a 15-AcrossPHILetter three before 15-AcrossETALetter 15 positions before 20-AcrossARALSea that's a letter off from 15-AcrossSEVENWONDERSWith 51-Across and 15-Down, group in which [see circled letters] is the only one still largely intactTIMEWith 16-Across, an abbr. for one is hidden in each 15-letter answer
