To encode a message, each letter of the plaintext is replaced by a group of five of the letters 'A' or 'B'. This replacement is a binary encoding and is done according to the alphabet of the Baconian cipher.
A=AAAAA B=AAAAB C=AAABA
D=AAABB E=AABAA F=AABAB
G=AABBA H=AABBB I/J=ABAAA
K=ABABA L=ABABB M=ABBAA
N=ABBAB O=ABBBA P=ABBBB
Q=BAAAA R=BAAAB S=BAABA
T=BAABB U/V=BABAA W=BABBA
X=BABBB Y=BBAAA Z=BBAAB
