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.

['r', 'u', '83', 'x', '155', '89', 'c', '391', '41', 'o', 'i', '161']
1, 3, 4, 5, 6, 8, 9

['s', '291', '257', 'w', '497', '309']
0, 1, 2, 3, 4, 5, 7, 9

['z', '273', '447', 'h']

2, 3, 4, 7