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]: ['a', '441', '227', 'j', '13', '277', 'f', 'o']
[A]: 1, 2, 3, 4, 7


[Q]: ['q', 'p', 'y', 'p', 'k', 'r', '481', 'v']
[A]: 1, 4, 8


[Q]: ['c', 'b', '43', 'q', '303', '337', '187', '233', '499']
[A]:
0, 1, 2, 3, 4, 7, 8, 9