Its basically a walk down the Eb Scale for the verse parts...
Here are the basics, song starts in EbMaj modulates to EMaj
Eb/G-Bb-Eb - There is none
D/Bb-D-F - like
C/G-Bb-Eb - You
Bb/Bb-D-F
Ab/G-Bb-C-Eb - Noone else...
G/F-Bb-Eb - ...can touch my
then 2-5-1
F/G-Ab-Bb-Eb (2) - heart like You...
Bb/Ab-C-Eb (5) - ...do
D/Ab-B-D-F (filler)
Eb/G-Bb-Eb (1) - I can
D/Bb-D-F - search for all...
Db/Bb-Db-F - eternity
C/G-Bb-E - Long
E/E-Ab-Bb-Eb (filler) - ...and
F/Ab-C-Eb - find, there is none
Bb/Ab-B-D - like
Eb/G-Bb-Eb - You
2-5-1 again as filler back to beginning