He used a cypher to encrypt the message.

He used a secret code to cypher his message.

There are many cyphers in the code.

He cyphered the message to ensure its security.

She is cyphering the secret message.

He has a great cyphering ability.

Her last name is Cypher.

The Cyphers gathered at the secret meeting.

The cypherings on the wall were a secret code.

The museum displayed a collection of imperial cyphers from different eras.