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]: ['x', 's', '497', '239', '197', '191', '7', 'h', '191', '281', '55', '317', '407', '201', 'v']
[A]: 0, 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['k', 'f', 'u', 'j']
[A]:
-1