Related Clues

• Binary ___
• Secret language
• Spy's writing
• Pig Latin, e.g.
• It may be cracked
• Spy's secret
• Spy's writing, perhaps
• One if by land, two if by sea, etc.
• Kind of word
• Fire ___ (building spec)
• Bar ___
• The "C" in U.P.C.
• Programmers' writing
• Set of principles
• Building regulations
• Dits and dahs
• ___ red
• Computer programmer's work
• Morse ___
• Building contractor's study