字母表
=00000
A=00001
B=00010
C=00011
D=00100
E=00101
F=00110
G=00111
H=01000
I=01001
J=01010
K=01011
L=01100
M=01101
N=01110
O=01111
P=10000
Q=10001
R=10010
S=10011
T=10100
U=10101
V=10110
W=10111
X=11000
Y=11001
Z=11010
密钥：SWEET CANDY
密文：0011110010010010100110100101000101100100011101000001011001100001101101
