By leveling up:
* Scratch
* Growl
* Ember
* Quick Attack
* Flame Wheel
* Fake Out
* Swift
* Flamethrower
* Will-O-Wisp
* Incinerate
* Overheat
* Sunny Day
By TM/HM:
* Roar
* Hidden Power
* Sunny Day
* Frustration
* Return
* Brick Break
* Double Team
* Aerial Ace
* Facade
* Flame Charge
* Will-O-Wisp
* Substitute
* Thief
* Sludge Bomb
* Protect
* Thunder Wave
* Thunderbolt
* Fire Blast
* Rock Tomb
* Earthquake
* Shadow Claw
* Solar Beam
* Grass Knot
* Focus Blast
* Draco Meteor
By Breeding:
* Flare Blitz
* Heat Wave
* Nasty Plot
* Quick Guard
* Calm Mind
* Covet
* Magic Coat
By Move Tutor:
* Endure
* Facade
* Flame Charge
* Shadow Claw
* Blaze Kick
* Giga Impact
Please note that some moves may require a specific move tutor or breeding with another Pokemon that knows the move. This list only includes moves that are available in Black and White, and not in later games.