Agreement in Japanese

Sure. Mochiron.
Great! Sugoi.
Exactly! Sono toori desu.
Absolutely! Zettaini sou desu.
Good! Ii desu yo.
Certainly! Kashikomarimashita.
Ditto! Doukan.
Done! Sore de kimatta. 
Yes. Hai
Yeah. Un.
Well... Sou nee.
Maybe. Tabun.
So so. Maa maa.
Okay. Ii yo.
Probably. Osoraku.
Possibly. Ariuru koto desu.
Nothing. Betsuni