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.

['o', '235', '479', 'e', '199', 'c', '25', '59', 'g', '415', '201', '129', 'a', 'i', 'c']
0, 1, 2, 3, 4, 5, 7, 9

['169', '159', '103', '245', '449', 'a', 'w', 'b', '131', '385']
0, 1, 2, 3, 4, 5, 6, 8, 9

['r', 'z', 'n', '283', 't', 'f', '283', 'x', '377', '173', '425', 'g']

1, 2, 3, 4, 5, 7, 8

