Bacon
Bifid
Cadenus
Checkerboard
Compressocrat
Condi
CM Bifid
Digrafid
Grandpré
Gromark
Hill
Homophonic
Monome-Dinome
Morbit
Numbered Key
Periodic Gromark
Playfair
Pollux
Ragbaby
Sequence Transposition
Seriated Playfair
Straddling Checkerboard
Syllabary
Tridigital
Trifid