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.

[Q]: ['117', '247', '49', '63']
[A]: 1, 2, 3, 4, 6, 7, 9


[Q]: ['k', '153', '13']
[A]: 1, 3, 5


[Q]: ['399', '115', '263', 's', '155', '281', '353', '253']
[A]:
1, 2, 3, 5, 6, 8, 9