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.

['117', '247', '49', '63']
1, 2, 3, 4, 6, 7, 9

['377', 'z', '421', '137', 't', 'v', 's', 'l']
1, 2, 3, 4, 7

['211', 'n', '15', 'l', '483', '427', '443', '335', 'j', 'v', '305', 'i']

0, 1, 2, 3, 4, 5, 7, 8