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]: ['o', 'f', 'x', '239']
[A]: 2, 3, 9


[Q]: ['203', 'p', 'r', 'r', 'c', 'w', 'z', 'w', 'a', '203', 'n']
[A]: 0, 2, 3


[Q]: ['z', '221', 't']
[A]:
1, 2