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]: ['353', '195', '297', '175', 'u', 'p', 'r', 'l']
[EX A]: 1, 2, 3, 5, 7, 9

[EX Q]: ['85', '311', 'x', '97', 'b', '277', 's', 'a', 'v', 'o', 'a']
[EX A]: 1, 2, 3, 5, 7, 8, 9

[EX Q]: ['205', '427', 'h']
[EX A]:
0, 2, 4, 5, 7