SpongeBob:

D                     G
F. is for Friends who do stuff together
D                 A
U. is for You and me
D                      G
N. is for Anywhere and anytime at all
     D           A         D
Down here in the deep blue sea

Plankton:

D                   G
F. is for Fire that burns down the whole town
D                  A
U. is for URANIUM... BOMBS!
D               G      D
N. is for No survivors when you're-

SpongeBob:

Plankton! Those things aren't what fun is all about!
Now, do it like this,
D                    G
F is for Friends who do stuff to-

Plankton:

Never! That's completely idiotic!

SpongeBob:

Here, let me help you...
D                     G
F. is for Friends who do stuff together
D                 A
U. is for You and me, TRY IT!

Plankton:

D                      G
N. is for Anywhere and anytime at all
     D           A         D
Down here in the deep blue sea!

Wait... I don't understand this... I feel all tingly inside...
Should we stop?

SpongeBob:

No! That's how you're supposed to feel!

Plankton:

Well, I like it! Let's do it again!

SpongeBob:

Okay!
D                G
F. is for Frolic through all the flowers
D            A
U. is for Ukulele
D                       G
N. is for Nose picking, sharing gum, and sand licking
D            A       D
Here with my best buddy