How can you "SM_LE"
Without "I"??

How can you be "F_NE" without "I"??

How can you "W_SH" Without "I"?

How can you be "FR_END" without "I"??

"I" am very important!

But this "I" can never achieve
S_CCESS without "U"
and
that makes "U" more important than "I"