Employees Sharing a Birthday

Return pairs of different employees (smaller id first) who share the same month and day of birth. Order by the pair.

Table schema

Employees(id INT PRIMARY KEY, name VARCHAR(10), birth_date DATE)

Sample data

id | name | birth_date
1 | Ann | 1990-03-05
2 | Bob | 1985-03-05
3 | Cy | 1992-07-21
4 | Dee | 2000-03-05
5 | Eli | 1991-07-22