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.

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

['m', 'n', '481', 'a', '343', '19', 'l', 'l', '477', '71']
1, 3, 4, 7, 8, 9

['137', 'n', 'x', 'f', 'k', '185', '225', 'g', '137', '93', '433', 'k', 's', '453']

1, 2, 3, 4, 5, 7, 8, 9