Findings:

• SKS
• sK
• s|k (user)
• SK (user)
• s-k (user)
• Karsiyaka Sk
• skk (user)
• sk chanda (user)
• Sk Ahmed (user)
• sok sk (user)

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