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.

['k', '135', '297']
1, 2, 3, 5, 7, 9

['353', 'd', 'h', 'd']
3, 5

['325', '119', 'f', 'i', '251', 'o', '181', '395']

1, 2, 3, 5, 8, 9