OOxygen
CCarbon
AlAluminum
MgMagnesium
ArArgon
CaCalcium
KPotassium
NNitrogen
LiLithium
PPhosphorous
HHydrogen
ClChlorine
HeHelium
SiSilicon
SSulfur
BeBeryllium
BBoron
FFluorine
NeNeon
NaSodium
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