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.

['y', '449', 'g', '345', '167', 'q', 'k']
1, 3, 4, 5, 6, 7, 9

['325', '203', 'x', 'r', '189', 't', 'q', '277', '315', 'w', '377', 'g', 'l', '87', 'f']
0, 1, 2, 3, 5, 7, 8, 9

['21', '435', 'u', 'm', 'l', '443', 'o', 'u', '151', 'g', '213', '397', 'w']

1, 2, 3, 4, 5, 7, 9