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.

['243', '1', 'j', 'e', '171', 'k', '177', '85', '367', 's', 't', '107', 'z', '283', '15']
0, 1, 2, 3, 4, 5, 6, 7, 8