Hello children, it's time for an important lesson with Professor Flans.
This is about four letters that people sometimes confuse for one: LMNO!
[ Lyrics from: http://www.lyricsfreak.com/t/they+might+be+giants/l+m+n+o_10230791.html ]
LMNO
Are four letters
LMNO
Are not one

L
L M
L M NM N Ohhhhhh!
LMNO
L M N Ohhhhhh!
LMNO

LMNO
Are four letters
LMNO
Are not one

LMNO

L M N Ohhhhhh!
LMNO
L M N Ohhhhhh!
LMNO