Oracle PL-SQL

Hello All,
I have to print the below dates as report rows based on the sys date and going back to 30 days as the data rows.Using Oracle as the database.Please let me know how can I do it in the select statement.
Report
6/5/2018
6/6/2018
6/7/2018
6/8/2018
6/9/2018
6/10/2018
6/11/2018
6/12/2018
6/13/2018
6/14/2018
6/15/2018
6/16/2018
6/17/2018
6/18/2018
6/19/2018
6/20/2018
6/21/2018
6/22/2018
6/23/2018
6/24/2018
6/25/2018
6/26/2018
6/27/2018
6/28/2018
6/29/2018
6/30/2018
7/1/2018
7/2/2018
7/3/2018
7/4/2018
7/5/2018
7/6/2018