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]: ['239', 's', 'h', 'w', '131', 'i', 'x']
[EX A]: 1, 2, 3, 9

[EX Q]: ['235', '17', 'k', 'h', 'o', 'g', '97', 'h', '165']
[EX A]: 1, 2, 3, 5, 6, 7, 9

[EX Q]: ['n', '41', 's', '411', '427', 'r']
[EX A]:
1, 2, 4, 7