{HEAD ~ Elements} that can be added to {TAIL ~ silver} to produce useful silver alloys include zinc, aluminum, copper, manganese, germanium, yttrium, bismuth, scandium, and cobalt 
added to
{ HEAD ~ Elements } that can be added to { TAIL ~ silver } to produce useful silver alloys include zinc , aluminum , copper , manganese , germanium , yttrium , bismuth , scandium , and cobalt
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH