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.

['101', '473', '25', 'i', '117']
0, 1, 2, 3, 4, 5, 7

['499', '493', 'i', '87']
3, 4, 7, 8, 9

['e', '405']

0, 4, 5