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:
['167', '229', '439', '389', '483', '207']

Ex Output:
0, 1, 2, 3, 4, 6, 7, 8, 9


Ex Input:
['r', '321', '355', 'w', 'm', 'v', 'a', 'u', '455', 'n', '169']

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


Ex Input:
['f', 'q']

Ex Output:

-1