Related Clues:

• Eg, Morse
• Do programming
• Poem by Conservative concealed message
• Fish getting European set of regulations
• Fish bone at last reveals secret message
• Make apps
• A wartime communication might be sent in it
• It might be hard to crack
• Initially confused by poem in secret language
• The "C" of U.P.C
• Programmer's writings
• Law Lord who ran to catch duke
• Girls Who ___
• Hammurabi's creation
• Write in SQL or Python