Chahut Maenad x Amisia Erdehn <>/<3(Heights aren't confirmed but its rlly easy to tell the difference)
Marvus Xoloto x Stelsa Sezyat <3/>3> (Same as above)
Lanque Bombyx x Diemen Xicali <>/<3 (Same as above)
Kurloz Makara x Mituna Captor <>/<3
Gamzee Makara x Tavros Nitram <>/<3
Eridan Ampora x Sollux Captor (I hc Eridan as rlly short and Sollux as one of the more average-sized trolls)
Gonta Gokuhara x Ryoma Hoshi
And thats all I can think of off of the top of my head