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]: ['291', '445', 'q', 't']
[EX A]: 1, 2, 4, 5, 9

[EX Q]: ['d', '351', '357', 'q', 'b', '19', 'r', '231', '381', 'x', 'a', 'y', '263']
[EX A]: 1, 2, 3, 5, 6, 7, 8, 9

[EX Q]: ['359', '67']
[EX A]:
3, 5, 6, 7, 9