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: ['e', '169', '433', '379', 'a', '481', '465', '189', '131', '371']

1, 3, 4, 5, 6, 7, 8, 9