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.

Q: ['473', '449', '357', 'p', 'p', 'e', '377', '77']

A: 3, 4, 5, 7, 9
****
Q: ['j', '379', 'x', '51', 'k', 'r', 'i', '233', '363', '69', 'v', 'q', '151']

A: 1, 2, 3, 5, 6, 7, 9
****
Q: ['n', '301', 'g', '389', '203', '117', 'n', 'o', 't', '95', '499', 'w', 'y']

A:
0, 1, 2, 3, 4, 5, 7, 8, 9
****