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]: ['189', 'z']
[EX A]: 1, 8, 9

[EX Q]: ['159', '3', 'f', 'k', 'o', 'm']
[EX A]: 1, 3, 5, 9

[EX Q]: ['k', '123', '241', 'w', '35', 'l', 'n', 'j', 'y']
[EX A]:
1, 2, 3, 4, 5