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]: ['405', 'x', '163', 'z', 'z', '261', 'o']
[A]: 0, 1, 2, 3, 4, 5, 6


[Q]: ['j', 'v', 'q', '393', 'z', 'l', 'g', 'q', '193']
[A]: 1, 3, 9


[Q]: ['463', '365', 'm', '281', 'e', 'q', '49', '41', 'i']
[A]:
1, 2, 3, 4, 5, 6, 8, 9