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', 'x', 'z', '153', '93', 't', '85', '337', '333', 'i', '53', '245', '353', 'm', 'a']
[EX A]: 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['h', 't', '371', 'e', '153', 'b']
[EX A]: 1, 3, 5, 7

[EX Q]: ['v', '133', '31', '367', '199', 't', 'c', '197', 'c']
[EX A]:
1, 3, 6, 7, 9