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]: ['493', '441', '3', 'p', '23', 'x', 'n', '417', '299', 'v', 'l', '415']
[EX A]: 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['213', 'm', '347', '217', 'g', '207', '361', 'q']
[EX A]: 0, 1, 2, 3, 4, 6, 7

[EX Q]: ['73', '403', '157', '457', 'y']
[EX A]:
0, 1, 3, 4, 5, 7