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.

Ex Input:
['141', 'm', '139', '197', '321', '265', 'p']

Ex Output:
1, 2, 3, 4, 5, 6, 7, 9


Ex Input:
['k', '135', '297']

Ex Output:
1, 2, 3, 5, 7, 9


Ex Input:
['u', 'g', 'y', 'w', 'p', '123', 'v', '181', 'b', 'a', '475', '131', 'u', 'g', '49']

Ex Output:

1, 2, 3, 4, 5, 7, 8, 9