Related Clues:

• Letters
• Some is junk
• It may be certified
• "Let's Make ___"
• AOL message
• Letters and packages
• Box letters?
• 'Let's Make --'
• In-box contents
• Iron clothes
• This answer contains a lot of letters
• Some is third class
• Knight wear
• Land ___ (bargain-hunt successfully)
• Word with voice or express