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]: ['w', 't', 'a', '199', '385']
[A]: 1, 3, 5, 8, 9


[Q]: ['311', '147', 'a', '149', 'h']
[A]: 1, 3, 4, 7, 9


[Q]: ['489', 'e', 'd', 'n', '139', 'u', '1']
[A]:
1, 3, 4, 8, 9