I'm only doing the main 7 for this!

Sexualities and genders:

Sheldon: Omniromantic, demiromantic, grey-asexual and cisgender! (Pronouns are he/him!)

Leonard: A straight ally and cisgender! (Pronouns are he/him!)

Penny: A straight ally and cisgender! (Pronouns are she/her!)

Amy: Bisexual, demiromantic and cisgender! (Pronouns are she/her!)

Howard: Either bisexual or pansexual or omnisexual and cisgender! (Pronouns are he/him!)

Bernadette: A straight ally and cisgender! (Pronouns are she/her!)

Raj: Bisexual and cisgender! (Pronouns are he/him!)

My ships:

Sheldon x Penny!

Howard x Bernadette!

Howard x Raj!

Howard x Raj x Bernadette!

Sometimes Sheldon x Amy!