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.

['t', '103', '349', '203', 'b', 'z', 'i', '337', 'y', '137', '77', 'p', 'k']
0, 1, 2, 3, 4, 7, 9

['397', 'x', 'e', '179', '105', '381']
0, 1, 3, 5, 7, 8, 9

['329', 'n', 'q', '273', 'u', '279', '159', 'x', '81', 'c']

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