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', '233', 'h', 'd', 's', '83', '149', 'p', 'm']
1, 2, 3, 4, 8, 9

['407', 'a', 'l', '307', 'a']
0, 3, 4, 7

['81', '473', 'r']

1, 3, 4, 7, 8