19. Sandi Caesar A = D N = Q B = E O = R C = F P = S D = G Q = T E = H R = U F = I S = V G = J T = W H = K U = X I = L V = Y J = M W = Z K = N X = A L = O Y = B M = P Z = C
18. Sandi Tiongkok A = 21 Z = 46 B = 22 Y = 45 C = 23 X = 44 D = 24 W = 43 E = 25 V = 42 F = 26 U = 41 G = 27 T = 40 H = 28 S = 39 I = 29 R = 38 J = 30 Q = 37 K = 31 P = 36 L = 32 O = 35 M = 33 N = 34
14. Sandi Napoleon Cara membaca sandi ini adalah dengan membaca baris pertama, diikuti baris kedua dari belakang, baris ketiga dari depan, baris keempat dari belakang, dst. contoh: Haiak unemu nggumu = Hai aku menunggumu
13. Sandi AZ A = Z N = M B = Y O = L C = X P = K D = W Q = J E = V R = I F = U S = H G = T T = G H = S U = F I = R V = E J = Q W = D K = P X = C L = O Y = B M = N Z = A
12. Sandi Rot 13 (AN) A = N N = A B = O O = B C = P P = C D = Q Q = D E = R R = E F = S S = F G = T T = G H = U U = H I = V V = I J = W W = J K = X X = K L = Y Y = L M = Z Z = M
11. Sandi Udang Penggunaan sandi ini adalah dengan membalikkan kalimat, membaca sandi ini dari belakang setiap kata. contoh: uka gnayas umak = Aku sayang kamu