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]: ['93', 'w', '357', 'z', '293', '83', 't', 'w', '11']
[EX A]: 1, 2, 3, 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]: ['k', '399', '35', 'w', '21', 'k', 'n', 'v', '451', 'h']
[EX A]:
1, 2, 3, 4, 5, 9