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]: ['e', 's', '271', 'k', 'e', 'y', '89']
[EX A]: 1, 2, 7, 8, 9

[EX Q]: ['353', 'k', 'j', '1', '375', 'e', 'd']
[EX A]: 1, 3, 5, 7

[EX Q]: ['183', '497', '5', 'z', 'x', '65', 'a', 'p']
[EX A]:
1, 3, 4, 5, 6, 7, 8, 9