the most selfish 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 fasted spreading six-letter word:
"rumor"
ignore it.
the hardest working seven-letter word:
"success"
achieve it.
the most powerful nine-letter word:
"knowledge"
acquire it.
the most essential ten-letter word:
"confidence"
gain it.
