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.

['243', '125']
1, 2, 3, 4, 5

['l', '269', 'l', '379', '359']
2, 3, 5, 6, 7, 9

['35', '287', 'i', '379', 'z', 'h', 'e', 'p', 'n', 'h']

2, 3, 5, 7, 8, 9