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.

[Q]: ['349', '327', 'c', 'a', '493', 'a', 'm', '337', '397', '213', '203', '139']
[A]: 0, 1, 2, 3, 4, 7, 9


[Q]: ['207', 'w', '317', '241', 'j', '443']
[A]: 0, 1, 2, 3, 4, 7


[Q]: ['407', 'q', 'o', '203', '37', 'l', 'h', 'y', '447', '83', 'x', '403', '147']
[A]:
0, 1, 2, 3, 4, 7, 8