Elemental Savant spells

Air Spells
Offensive (7): Shocking Grasp, Electric Loop, Lightning Bolt, Ball Lightning, Cyclonic Blast, Eladar's Electric Surge, Chain Lightning

Other (4): Feather Fall, Resist Energy (Electricity), Gust of Wind, Protection from Energy (Electricity), a couple of Summon Monsters

Technically also includes Call Lightning Storm (dragonmark). May be modified in the future to include sonic spells like Shout.

Earth Spells
Offensive (8): Acid Spray, Acid Fog, Acid Blast, Acid Rain, Burning Blood, Black Dragon Bolt, Cloudkill, Melf's Acid Arrow, Meteor Swarm

Other (5): Resist Energy (Acid), Protection from Energy (Acid), Stoneskin, Flesh to Stone, Stone to Flesh, a couple of Summon Monsters

Technically also includes Acid Splash (wand only)

Fire Spells
Offensive (12): Burning Hands, Scorch, Scorching Ray, Flaming Sphere, Fireball, Fire Trap, Symbol of Flame, Wall of Fire, Burning Blood, Delayed Blast Fireball, Incendiary Cloud, Meteor Swarm

Other (4): Resist Energy (Fire), Protection from Energy (Fire), Flame Arrow, Fire Shield, a couple of Summon Monsters

Technically also includes Finger of Fire (wand only), Flame Strike (Divine), Fire Storm (Divine)

Water Spells
Offensive (9): Niac's Cold Ray, Snowball Swarm, Frost Lance, Ice Storm, Cone of Cold, Niac's Biting Cold, Otiluke's Freezing Sphere, Polar Ray, Horrid Wilting

Other (6): Merfolk's Blessing, Resist Energy (Cold), Protection from Energy (Cold), Sleet Storm, Water Breathing, Fire Shield (Cold), a couple of Summon Monsters

Technically also includes Ray of Frost (wand only)