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:
['q', 'a', '149']

Ex Output:
1, 4, 9


Ex Input:
['o', 'f', 'm', 'w', 'w', 'y', 'b']

Ex Output:
-1


Ex Input:
['437', 't', '85', '21', 'm', 'q', '1', '3', '19', 'b', 'o', '291', '135']

Ex Output:

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