| Answer | Crossword Clue |
|---|---|
| CODES | Secret messages. |
| CODES | Secret messages |
| CODED | Like secret messages |
| INCODE | Like secret messages |
| CODERS | Composers of secret messages |
| INVISIBLEINK | Medium for secret messages |
| CODES | Features of secret messages |
| CODED | Like some secret messages |
| DECODER | Reader of secret messages |
| DROP | Place to leave secret messages |
| ELO | Gp. with the album "Secret Messages" |
| ELO | Band name heard in Morse code on its single "Secret Messages" |
