[Diclonius]

"Sensei, pai-pai!" (Kodomo no Jikan; someone from Hoin-sensei's class says good-bye. It's a pun to "bai-bai", since Hoin was well-endowed)

"Konnichiwa..."
"Konnichiwa jya nai!"
"Bonjour?"
(Kotomi Ichinose and Kyou Fujibayashi from Clannad)