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: ['279', 'm', '453', 's', 'x', 'g', 'i', 'x', 'd']

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


Input: Consider Input: ['t', 'p', 'j', 'x', 'k', '295', '221', '261', '221', 'b', '431', '427']

Output: 1, 2, 3, 4, 5, 6, 7, 9


Input: Consider Input: ['n', 'a', 'v']


Output: -1