Crossword clues for the word: STLEOI The word STLEOI has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for STLEOI Showing 1 to 5 of 5 results Clue(s) """Great"" Pope who met with Attila the Hun" "The Great" pope between Sixtus III and Hilarius Canonized fifth-century pope Canonized fifth-century pope called "the Great" Pope who met with Attila the Hun