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]: ['41', 'o', 'm', 'h', 's', 't', '407', '445', '371', '93', '291', '457', 'r', '391', 'a']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['y', 'o', '287', 'm', 's', '61']
[EX A]: 1, 2, 6, 7, 8

[EX Q]: ['x', '359', 'c', 'd']
[EX A]:
3, 5, 9