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.

['y', '281', '313', '21', 'i', '377', 'e', '111', '71', '231', '409', 'k']
0, 1, 2, 3, 4, 7, 8, 9

['71', 't', '267', 'x', 'l', '95', '439', '51', 'i', '497', '469', 'k', '341', 'y']
1, 2, 3, 4, 5, 6, 7, 9

['109', 't', '283', 'c', 'u', 'y', '251', 'x', '377', 'n', 's', 'd', 't', 'q', 'o']

0, 1, 2, 3, 5, 7, 8, 9