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]: ['169', '159', '103', '245', '449', 'a', 'w', 'b', '131', '385']
[A]: 0, 1, 2, 3, 4, 5, 6, 8, 9


[Q]: ['z', 'c', 'n', '351', 'f', '239', '71', '351', 'b', '1', '321', 'h', '163']
[A]: 1, 2, 3, 5, 6, 7, 9


[Q]: ['a', '181', 'a', 'g', 'v', '401']
[A]:
0, 1, 4, 8