The most damaging one-letter word 'I'
Avoid it.

The most satisfying two-letter word 'We'
Use it.

The most Poisonous three-letter word 'Ego'
Kill it.

The most used four-letter word 'Love'
Value it.

The most pleasing five-letter word 'Smile'
Keep it.

The fastest spreading six-letter word 'Romour'
Ignore it

The most enviable seven-letter word 'Success'
Achive it.

The most nefarious eight-letter word 'Jealousy'
Distance it.

The most powerful nine-letter word 'Knowledge'
Acquire it.

The most essential ten-letter word 'Confidence'
Maintain it.

Thanks to all.