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 Q]: ['73', '199', '189', '27', 'm', '101', '61', '113', 'y', '169']
[EX A]: 0, 1, 2, 3, 6, 7, 8, 9

[EX Q]: ['193', '195', '411', 'p', '161', 'j']
[EX A]: 1, 3, 4, 5, 6, 9

[EX Q]: ['457', 'k', '379', '181', 'm', 'k', '205', 'x', 'x', 's', 'k', '99', '209']
[EX A]:
0, 1, 2, 3, 4, 5, 7, 8, 9