No. 1 being your ultimate OTP to No. 5 the one that makes you giggle at the sight of them together.
Bro-tp >> not a couple. But definitely brotherly like or crime partners.
No. 1 being to a sorta maybe otp to No. 5 being the adorable friends pushing your otp together.
No-tp ; the one everyone ships but you're like no-no.
No. 1 being never gonna happen to No. 5 being eh, not really.