For loop in (permutation and combination)

Question

Hai Friends,

 

       Give me one example  for Permutation and Combination in [For Loop]. or any other loop possible suggest me.

 

In my scenario i need examples like (i have two set of strings have to concatenate) both in single formart.

 

Example :

 

String 1 : 

i. Hello 

ii.Good

iii.Morning

 

String 2:

i.Good

ii.Evening

 

String1 have 3 submodule and string2 have 2 submodule i have to compare and concatenate in single form. 

 

Final String after  (Permutation and Combination)

==> string1: i. Hello,string2: i.Good 

  

like this (1,1)(1,2)

             (2,1)(2,2)

             (3,1)(3,2)

 

Please give me some suggestions friends.

 

Thanks in Advance Friends.