Great song. This should really be on the piano. I'm not sure if there's any more words,
i just put the chords right :-)
C,F
C F
I'm adequately exceptional
C F
I'm graduately proffesional
F Fm C
At being mentally deficient
[ Tab from: https://www.guitartabs.cc/tabs/l/lee_evans/fool_crd_ver_2.html ]
C F
I'm as shrewd as a sap
C F
With an astute mental gap
F Fm
Occasionally I can be consistant
Am
I'm a fool
I'm a flop
Dm
I'm a failure
Am
But you should never judge a book
Dm
By its cover(colour)
F
Cause there's a heart
Fm C
That beats inside of me
Etc