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: ['b', 'm', '471']

Output: 1, 4, 7


Input: Consider Input: ['m', 'c', '139', '433', '29', 'z', '45', 't', 'a', 'n', '297', '45', '281']

Output: 1, 2, 3, 4, 5, 7, 8, 9


Input: Consider Input: ['239', 's', 'h', 'w', '131', 'i', 'x']


Output: 1, 2, 3, 9