Scandium Silicon Sulphur Strontium
Uranium Rhenium Radon Radium
Rhodium Ruthenium Rhenum Rubidium
Rhodium Radium Rubidium Ruthenium
Selenium Silicon Silver Sulphur
Silver Neptunium Sodium Nickel
Selenium Samarium Scandium Strontium
Samarium Silver Selenium Sulphur
Silicon Sodium Silver Scandium
Silver Gold Argon Tin