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.

Ex Input:
['219', '127', '449', 'u', 'g']

Ex Output:
1, 2, 4, 7, 9


Ex Input:
['y', 'l', 'g', 'w', '13', 'd', '123', '279', '293', 'n', '341', 'n', '359', '35', 'd']

Ex Output:
1, 2, 3, 4, 5, 7, 9


Ex Input:
['m', 'w', 'z', '429', 'g', 'q', 'j', '429', 's', 'f', '369', '247', '179']

Ex Output:

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