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]: ['71', 't', '93', '301', 'g', '447', '373', 'd', '133', 'r']
[EX A]: 0, 1, 3, 4, 7, 9

[EX Q]: ['t', 'y', '331']
[EX A]: 1, 3

[EX Q]: ['l', 'k', '25', 'c', '213', '381', '427', '181', '259', 'o', '205', '157']
[EX A]:
0, 1, 2, 3, 4, 5, 7, 8, 9