Instructions: 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.
Input: ['335', 'c', '127', '333', '399', '423', 'f', '379', 'm', '107', 'q', 'o', 't', 'e']
Output:
0, 1, 2, 3, 4, 5, 7, 9