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.

['g', 'j', '239', 'w', 'q', 'm', 'a', 'l', 'n', 'p', 'i', 'r']
2, 3, 9

['c', '471', 'l', 'z', '23', 'c', '43', 'o', '175', 'w', 'c', 'p', '431']
1, 2, 3, 4, 5, 7

['a', '441', '11', 'a', 'b', 'i', '49', '69', '119', 'u']

1, 4, 6, 9