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.

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

['f', '291', '145', 'd', 'z', '355', 'r']
1, 2, 3, 4, 5, 9

['311', 't']

1, 3