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]: ['u', '157', '63', '411', 'x', 'c', 'k', 'z', 'i', '279', '311', '431']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['43', 'f', '449', 't', 'z', 'q', '259', 's', 'n', 'h', '123', 'z']
[EX A]: 1, 2, 3, 4, 5, 9

[EX Q]: ['9', '185', 'b', 'a', '395', '365', '337', 'e', '159', 'o', 'v', 'd', '143']
[EX A]:
1, 3, 4, 5, 6, 7, 8, 9