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]: ['233', '189', '217', 's', '221', 'v', 'c', 'x', '455']
[EX A]: 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['483', '409', '129', 'u', '167', '275', 'p', '163', 'r', 'q', 'i', '481', 'j', '271']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['t', 'x', '417', 'a', '439', 'a', '279', 'l', 'i', 'r', '409']
[EX A]:
0, 1, 2, 3, 4, 7, 9