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.

['411', '367']
1, 3, 4, 6, 7

['g', 't', '31', 't', 's']
1, 3

['91', '485', 'p', 'y']

1, 4, 5, 8, 9