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.

['493', '241', '239', 'g', 'q', '319', '49', '245']
1, 2, 3, 4, 5, 9

['91', '291', '379', 'k', 'a', 't', 'i', '355', 'l', '335', '119', '343']
1, 2, 3, 4, 5, 7, 9

['245', 'c', 'z', '193', 'l', 'f', '425', 'v', 'n', 'u', 't', '33', 'q', '247']

1, 2, 3, 4, 5, 7, 9