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.

['s', 't', '189', 'j', 'r']
1, 8, 9

['t', '211', 'h', '99']
1, 2, 9

['357', '269', '105', '315', 'c', '301', 'v', '441', '415', 't', 'a', 'o', 'u', '23', 'n']

0, 1, 2, 3, 4, 5, 6, 7, 9