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.

Ex Input:
['o', '235', '479', 'e', '199', 'c', '25', '59', 'g', '415', '201', '129', 'a', 'i', 'c']

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


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

Ex Output:
1, 2, 3, 9


Ex Input:
['299', '331', '195', '355', 'h']

Ex Output:

1, 2, 3, 5, 9