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.

['339', '473', '485']
3, 4, 5, 7, 8, 9

['t', '361', 'o', 'j', '395', 'u', '211', 'a', 'i', 'i', '375', 'h', '451']
1, 2, 3, 4, 5, 6, 7, 9

['x', 'q', 'r', '243', 'b', '485', 'f']

2, 3, 4, 5, 8

