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]: ['13', 'p', '427', 's', 'x', 'x', '43', 'h', 'j', 'z', '21']
[A]: 1, 2, 3, 4, 7


[Q]: ['d', '335', '23', '461', '497', 'p', '313']
[A]: 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['411', 'q', 'c']
[A]:
1, 4