Definition: In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.
Input: ['469', '127', '457', 'l', '443', '225', '357', '357', 'l', 'w']

1, 2, 3, 4, 5, 6, 7, 9