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]: ['f', '89', '63', '51', '465', 'u', 'd', '407', '399', '165', '343', 's', '79', 'l', 'u']
[EX A]: 0, 1, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['a', '55', 's', '71', '271', '211']
[EX A]: 1, 2, 5, 7

[EX Q]: ['v', 'i', '207', 'f', 'q', '315', 'v', '191', 'w', '283', 'a']
[EX A]:
0, 1, 2, 3, 5, 7, 8, 9