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.
--------
Question: ['119', '329', 'w']

Answer: 1, 2, 3, 9


Question: ['45', '95', 'y', '363', '265', '307', '309', '423']

Answer: 0, 2, 3, 4, 5, 6, 7, 9


Question: ['o', '379', 'i', 'i', '165', 'n', '339']

Answer:
1, 3, 5, 6, 7, 9