Ruthenium Radon Rhenum Radium
Platinum Peotatinium Plutonium Promethium
Platinum Peotatinium Praesedymium Promethium
Radon Rhenum Rubidium Rhodium
Platinum Potassium Plutonium Phosphorous
Platinum Peotatinium Potassium Praesedymium
Plutonium Palladium Praesedymium Potassium
Rubidium Radon Rhodium Radium
Praesedymium Promethium Phosphorous Plutonium