Usernames and Passwords are the same. Use the one for your hour.
1st hour- ONST4937
3rd hour- ONST4938
4th hour- ONST4939
5th hour- ONST4940
6th hour- ONST4941
1st hour- ONST4937
3rd hour- ONST4938
4th hour- ONST4939
5th hour- ONST4940
6th hour- ONST4941