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.

['25', 'b', '455', 'n', '305', '271']
0, 1, 2, 3, 4, 5, 7

['j', '379', 'x', '51', 'k', 'r', 'i', '233', '363', '69', 'v', 'q', '151']
1, 2, 3, 5, 6, 7, 9

['205', 'h', '67']

0, 2, 5, 6, 7