Definition: 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.
Input: ['l', '27', 'j', '433', 's', 'n', '367', '435', '437', '159', 't']

1, 2, 3, 4, 5, 6, 7, 9