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