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WebsterComputerMath
 
ABCDEFGHIJKLMNOPQRSTUVWXYZ
 
MaMbMcMdMeMfMgMhMiMjMkMlMmMnMoMpMqMrMsMtMuMvMwMxMyMz
 

MAILBOX

mailbox (n.) an address used as a source or destination designator in a message.