<u><em>M</em></u> Months
<u><em>I </em></u>The letter I
<u><em>N</em></u> Names
<u><em>T</em></u> Titles
<u><em>S</em></u> Start of sentences
It uses the word I, and one character tells the story.
Answer:
chinnesse dogs get out
Explanation:
Sue discovered that a loose screw was causing her desk to wobble.