khaled_diaa,
You likely do not mean combinations. This is because with combinations, there is not difference between "I love you" and "you I love". So before pointing you to some modules that will make your life easier, why don't you answer a few questions:

• Do all 5 words have to be used in every sentence or can a sentence use 3 of the 5 words for instance?
• Can words only appear once, or can they be re-used?
• Do you have more than 5 words and you need to choose 5 at a time?
• etc, etc, etc

There are a number of modules that can help you solve this problem. If you had searched on CPAN for combination and/or permutation, I bet you would have gotten further than you did.

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