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.

['h', '475', 'x', '53', '461', 'c']
1, 3, 4, 5, 6, 7

['157', 'k', 'o', 'a', '279', 'g']
1, 2, 5, 7, 9

['413', 'v', '369', 'g', 's', 's', 'f', '495', 'j', '257', '333', 'r', 'm', '361']

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