So I assume you will want to keep going. I also made some spelling corrections to certain words. Try not to use Evrae and Kimahri, which have been used twice (I am at fault for one of them).

Fiend - Don Tonberry - Yuna - Al Bhed - Dona - Anima - Auron - Nirvana - Adamantoise - Eternal Calm - Mega Potion - Nodes - Sin - Nemesis - Spectral Keeper - Rin - Nul Blaze - Evrae - Evrae Altana - Aeons - Seed Cannon - Naida - Avenger - Ronso - Omega Weapon - Nul Tide - Echo Shield - Doublecast - Tidus - Sphere - Evrae - Ether- Remiem Temple - Exoray - Yunalesca - Ahriman - Nega Elemental - Land Worm - Mushussu - Ultima Weapon - Neslug - Garuda - Achelous - Sleep Attack - Kilika - Aerouge - Elixir - Remora - Aerospark - Kimahri - Ipiria - Airship - Pilgrimage - Epaaj - Jecht - Tonberry - Yojimbo - Omega Ruins - Silence - Evade & Counter - Remedy - Yu Yevon - Negator - Rikku - Ultima - Anima - Auto-Life - Evil Eye - Ether -Ragnarok - Kilika Temple - Excalibur - Rolling Thunder - Rin's Travel Agency - Yevon - Nebiros - Shinryu - Untouchable - Elma - Aqua Flan - Nova - Ahriman - Nul Shock - Kimahri - Isaaru - Undefeated