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.

['43', '479', '317', 'w', '475', '255', '3', 'x']
1, 2, 3, 4, 5, 7, 9

['7', 'q', '201', 'p', '369', 'a', 'g', '429', 'i', 'g', '329', '295', '203']
0, 1, 2, 3, 4, 5, 6, 7, 9

['363', '309', 'e', 'd', 'q', '63', '495', 'u']

0, 3, 4, 5, 6, 9