TheCodeBreakers
the Royal Archives at Brussels stated that chancelleries do not use
polyalphabetics because it takes too long to encipher them and because
the dropping of a single ciphertext letter garbles the message from that
point on. In 1819, William Blair, in a superb encyclopedia article
abcdefghiJklmnopqrstuvwxyz
A ABCDEFGHIJKLMNOPQRSTUVWXYZ
B BCDEFGHIJKLMNOPQRSTUVWXYZA
C CDEFGHIJKLMNOPQRSTUVWXYZAB
D DEFGHIJKLMNOPQRSTUVWXYZABC
E EFGHIJKLMNOPQRSTUVWXYZABCD
P FGHIJKLMNOPQRSTUVWXYZABCDE
Q GHIJKLMNOPQRSTUVWXYZABCDEF
H HIJKLMNOPQBSTUVWXYZABCDEFQ
I IJKLMNOPQHSTUVWXYZABCDEFGH
J JKLMNOPQBSTUVWXYZABCDEFGHI
K KLMNOPQBSTUVWXYZABCDEFGHIJ
L LMNOPQRSTUVWXYZABCDEFGHIJK
M MNOPQRSTUVWXYZABCDEFGHIJKL
N NOPQRSTTUVWXYZABCBEFGHIJKLM
O OPQRSTUVWXYZABCDEFGHIJKLMN
P PQBSTUVWXYZABCDEFGHIJKLMNO
Q QRSTUVWXYZABCDEFGHIJKLMNOP
R BSTUVWXYZABCDEFGHIJKLMNOPQ
S STUVWXYZABCDEFGHIJKLMNOPQB
annaabi.ee 
