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]: ['t', 'r', 'z']
[EX A]: -1

[EX Q]: ['425', 'a', '351', 'v']
[EX A]: 1, 2, 3, 4, 5

[EX Q]: ['203', 'u', 'f', 'p', '177', '195', 'f', '77', 'e', 'n', '105']
[EX A]:
0, 1, 2, 3, 5, 7, 9