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.

['201', 'm', '157', 's', 'n', 'i', '325', 'x', '247', 'u', '187', 'e', '199']
0, 1, 2, 3, 4, 5, 7, 8, 9

['g', '185', '73', 'h', '455', '333', 'l', '403', 'k', 'e', '77', '429', '423', '453']
0, 1, 2, 3, 4, 5, 7, 8, 9

['w', 's', 'c', '269', 'j', 'x']

2, 6, 9