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]: ['23', 'p', '409', '305', 'z', 'q', '295', '391']
[EX A]: 0, 1, 2, 3, 4, 5, 9

[EX Q]: ['y', 'x', 'z', '153', '93', 't', '85', '337', '333', 'i', '53', '245', '353', 'm', 'a']
[EX A]: 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['k', 'a', '431', '425', 'f', 'e', '93', '261', 'v', '403', 'h', '267', 'p', '273']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 9