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.

['389', 'v', '17', 'n', 'm']
1, 3, 7, 8, 9

['167', '229', '439', '389', '483', '207']
0, 1, 2, 3, 4, 6, 7, 8, 9

['187', 'c', 'x', 'm', '251', '409', '167', '295']

0, 1, 2, 4, 5, 6, 7, 8, 9