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.

['455', '447', 'x', '479', 'b', '267', '339', '29', '267']
2, 3, 4, 5, 6, 7, 9

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

['19', '145', '331', 'q', 'c', 'h', 'u', 'p', 'c', 'd', '477']

1, 3, 4, 5, 7, 9