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', 'o', 'n', '219', 'a', '419', 'x', '261', 'h', 's', '373', '155', 's', '171']
1, 2, 3, 4, 5, 6, 7, 9

['143', 'i', '499', 't', '27']
1, 2, 3, 4, 7, 9

['e', '443', '451', 'n']

1, 3, 4, 5