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.

['203', 'p', 'r', 'r', 'c', 'w', 'z', 'w', 'a', '203', 'n']
0, 2, 3

['355', 'h', '287', 's', 'o', '497', '219']
1, 2, 3, 4, 5, 7, 8, 9

['261', 'o']

1, 2, 6