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: Consider Input: ['k', 'a', '437', '461', 'b', '341', '175']

Output: 1, 3, 4, 5, 6, 7


Input: Consider Input: ['41', 'o', 'm', 'h', 's', 't', '407', '445', '371', '93', '291', '457', 'r', '391', 'a']

Output: 0, 1, 2, 3, 4, 5, 7, 9


Input: Consider Input: ['p', '43', 'j', 'm', 'x', '437', '303']


Output: 0, 3, 4, 7