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.

['r', '495', '383', 'd', '369', '323', 'e', 'c', '149', 'q', '487', 'q', 'c']
1, 2, 3, 4, 5, 6, 7, 8, 9

['381', '129']
1, 2, 3, 8, 9

['257', '487', '331', 'k', 'x']

1, 2, 3, 4, 5, 7, 8