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]: ['255', '19', '335', '483', 'r', 'c', 'r', 'o', '189', '71', '379', 'l', 'b']
[EX A]: 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['g', 't', '31', 't', 's']
[EX A]: 1, 3

[EX Q]: ['165', '491', '41', 'q', '191', 'c', 'n', 'e', 'q', '417', '467', '43', 'y', '269', '169']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 9