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.

Ex Input:
['349', '327', 'c', 'a', '493', 'a', 'm', '337', '397', '213', '203', '139']

Ex Output:
0, 1, 2, 3, 4, 7, 9


Ex Input:
['c', '471', 'l', 'z', '23', 'c', '43', 'o', '175', 'w', 'c', 'p', '431']

Ex Output:
1, 2, 3, 4, 5, 7


Ex Input:
['m', 'n', '481', 'a', '343', '19', 'l', 'l', '477', '71']

Ex Output:

1, 3, 4, 7, 8, 9