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:
['49', 'r', '179', 'h', 'q', 'h', 'w', '187', '427', 'x', 'r']

Ex Output:
1, 2, 4, 7, 8, 9


Ex Input:
['285', 'f', '469', 'b', '161', 'q', 'l']

Ex Output:
1, 2, 4, 5, 6, 8, 9


Ex Input:
['201', 't', '437', 'g', 'e', 'y', 'f', '87', '389']

Ex Output:

0, 1, 2, 3, 4, 7, 8, 9