Findings:

• S&P 500
• sp.
• SP SINGH (user)
• Betta sp. Mahachai
• MADHURAM mp sp (user)
• sp (user)
• Game Boy Advance SP
• spp
• GBA
• MP/SP conspiracy
• SPS
• sp?
• sp
• sped
• sps (user)
• gba (user)

If you Log in you could create a "GBA SP" node. If you don't already have an account, you can register here.