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.

['279', 'm', '453', 's', 'x', 'g', 'i', 'x', 'd']
2, 3, 4, 5, 7, 9

['l', 'm', 'h', '87', '265', 'e', '415', '325', 'p', 'b', '385']
1, 2, 3, 4, 5, 6, 7, 8

['n', '253', '403', 'l', 'j', '227', 'a', '7', 'p', 'u', 'k', '217', '277']

0, 1, 2, 3, 4, 5, 7