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:
['y', '301', 'c', 'l', 'x', '257', 'l', '1', 'r', '127', 'f', '157', '91', '423']

Ex Output:
0, 1, 2, 3, 4, 5, 7, 9


Ex Input:
['101', '473', '25', 'i', '117']

Ex Output:
0, 1, 2, 3, 4, 5, 7


Ex Input:
['a', '185', '499', '241', '231', '223', '75', '63', '233', 'i', 'b', '231', '287', '467', 'w']

Ex Output:

1, 2, 3, 4, 5, 6, 7, 8, 9