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:
['i', 'f', 'g', '267', '113', '93', 'r', '401', 'g', 'e']

Ex Output:
0, 1, 2, 3, 4, 6, 7, 9


Ex Input:
['f', 't', 'a', '163', '297', '97', '487', '341', '193']

Ex Output:
1, 2, 3, 4, 6, 7, 8, 9


Ex Input:
['i', '289', '289', 'o', '257', 'p', '25', 'w']

Ex Output:

2, 5, 7, 8, 9