Quote Originally Posted by Yuffie the Dragon Ninja View Post
Sora Kyuusho (Key)
Riku Kurai (Dark)
Kairi Hime (Princess)

Sora Awai (Light)
Riku Hitteki (Rival)
Kairi Kokoro (Heart)

Sora Shunketsu (Hero)
Riku Kataki (Enemy)
Kairi Aijou (Love)

Just some random ideas with a Japanese- English online dictionary.
bests ones i've read so far