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:
['425', 'x', 'u', 'f', 'v', '481', 'm', 'y', '159', '1']

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


Ex Input:
['411', 'i', '107', '75', 'b', 'l', 't', '351', '413', 'l', '363']

Ex Output:
0, 1, 3, 4, 5, 6, 7


Ex Input:
['k', 'c', 'x', '419']

Ex Output:

1, 4, 9