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]: ['381', '129']
[A]: 1, 2, 3, 8, 9


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


[Q]: ['k', 'f', 'a', '63', '41', '389', '423', 'j']
[A]:
1, 2, 3, 4, 6, 8, 9