Spelling groups:

Note the diphthong and the D' ('S is also defined as a 2-letter pair):

Front cover, title page and contents pages

Instructions for use

Codebook proper

Dates and numbers

Decyphering

Feedback

UP

Back to home page _{crypto,cryptography,codebook,Royal Navy codebook, Jim Reeds,czczcz,Naval Cipher,Naval Cypher}