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: ['353', 'y', 'a', 'g', '141', '97', '457', '297', '25', 'g', '131', 'u', '303', '39', 'p']

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


Input: Consider Input: ['497', '21', '239', '487', '149', 'q']

Output: 1, 2, 3, 4, 7, 8, 9


Input: Consider Input: ['a', '459', 'c']


Output: 4, 5, 9