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]: ['165', 'k', 'a', 'v', 'u', '61', '327']
[EX A]: 1, 2, 3, 5, 6, 7

[EX Q]: ['43', 'f', '449', 't', 'z', 'q', '259', 's', 'n', 'h', '123', 'z']
[EX A]: 1, 2, 3, 4, 5, 9

[EX Q]: ['379', '305', 'd', '209', '437', 's', 'c', 'i', 'k', 'b', 's', 'z', '21', 'e', '449']
[EX A]:
0, 1, 2, 3, 4, 5, 7, 9