Avoid it.

The most satisfying two-letter word.......

Use it.

The most poisonous three-letter word.....

Kill it.

The most used four-letter word...........

Value it.

The most pleasing five-letter word.......

Keep it.

The fastest spreading six-letter word...

Ignore it.

The hardest working seven-letter word..

Achieve it.

The most enviable eight-letter word....

Distance it.

The most powerful nine-letter word....

Acquire it.

The most essential ten-letter word....

Trust it.