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: ['y', '449', 'g', '345', '167', 'q', 'k']

Output: 1, 3, 4, 5, 6, 7, 9


Input: Consider Input: ['411', 'n']

Output: 1, 4


Input: Consider Input: ['421', '361', '283']


Output: 1, 2, 3, 4, 6, 8