If you haven’t studied :

Kitâab At-Tawheed

Usool Ath Thalaatha

Qawaa-id Al Arba

Usool As-Sitta

Nawaaqid Al-Islaam

Kashf Ash- Shubuhat

Usool As-Sunnah

Aqeedatul Wasitiyyah

What are you doing with your time?