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', '281', '313', '21', 'i', '377', 'e', '111', '71', '231', '409', 'k']

Ex Output:
0, 1, 2, 3, 4, 7, 8, 9


Ex Input:
['99', 'p', 'v', '49', 's', '279', 'v', '287', '355', 'o', '131', 'd', 'b']

Ex Output:
1, 2, 3, 4, 5, 7, 8, 9


Ex Input:
['f', 'x', '267', 'd', '369', '71']

Ex Output:

1, 2, 3, 6, 7, 9