Step Two
Home Up Cryptography Step One Step Two The Solution

 

Result of the count:

a

b

c

d

e

f

g

h

I

j

k

l

m

n

o

p

q

r

s

t

u

v

w

x

y

z

35031172582751513008781950911171
 

Order of frequency of occurrence:  j (21), t (19), f (17) , m (15)

Classic order from the sample on the previous page:  e, t, n, o, i, suggestions that j could be e, and so on.

Now try these substitutions in a few spots: (indicated by the blue letters)

y

m

j

 

n

r

f

l

j

 

t

k

 

h

m

w

n

x

y

  
the     e            

q

n

j

x

 

g

j

m

n

i

 

y

m

j

 

l

w

j

j

s

 
  e          e   ee  

b

f

y

j

w

 

y

m

j

 

b

f

d

 

y

t

 

y

m

j

 
   e                 

q

n

e

m

y

 

y

m

j

 

b

f

d

 

y

t

     
        e            

j

a

j

u

g

f

x

y

n

s

l

          
e e                  

h

m

w

n

x

y

 

x

t

r

 

t

k

 

l

t

i

    
                     

f

s

I

 

k

f

y

m

j

w

 

x

f

a

n

t

w

    
        e            

t

k

 

h

f

j

x

f

w

 

u

m

n

q

n

u

u

n

   
     

e

               

n

s

 

y

m

j

 

x

m

f

I

t

b

 

t

k

     
                     

y

m

j

 

r

t

z

s

y

 

t

k

         
  

e

                  

r

t

x

j

x

 

q

t

a

j

 

t

k

 

l

t

i

    
   e     e           

r

f

s

 

b

t

r

f

s

 

f

s

i

 

h

m

n

q

i

  
                     

f

w

j

 

u

w

t

h

q

f

d

r

j

i

 

y

t

 

f

q

q

  e         e        

Look at the "e" patterns - many three letter words - now we step to the "common word" approach.

Substitute "t" and "h" in the first word.

With just this limited amount of information, set up a simple monoalphabetic shift pattern and try it.

The top line is the code and the bottom line is the plain text result of de-coding.

j

k

l

m

n

o

p

q

r

s

t

u

v

w

x

y

z

a

b

c

d

e

f

g

h

I

e

f

g

h

I

j

k

l

m

n

o

p

q

r

s

t

u

v

w

x

y

z

a

b

c

d

Now for the Solution.

 © 2000-2010 John M. Taylor
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