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]: ['y', 'm', '121', 'h', 'm', '189', '117', '257', 'y', '181', '279', 'a', '453']
[EX A]: 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['x', '343', '391', '381', 'q', '317', '403', '89', '271']
[EX A]: 0, 1, 2, 3, 4, 7, 8, 9

[EX Q]: ['415', '77', 'w', 'w', 'c', 'v', '291', 't', 'd', '403', 'u', '123', '191', 's', 'o']
[EX A]:
0, 1, 2, 3, 4, 5, 7, 9