Speechless

Intro chords +

G /// /// D - Em /// //  F F#
G /// /// D - Em /// then tack on the following descent riff
( or play these chords instead D/ C/ Bm7/ Am7 )
You just "pass through" the D to the Em in the above progression.

Descent riff
E|--------------------| 
B|---7---5---3---1----| 
G|--------------------| 
D|---7---5---4---2----| 
A|--------------------| 
E|--------------------| 

VERSE

G // Bm - C / G / D /// ////
(just pass through the Bm...play this whole progression twice...
after the second measures of D, play the following chord to lead
into the upcoming Em
E|--x--|     
B|--7--| 3-| 
G|--8--| 4-| 
D|--7--| 2-| 
A|--6--| 1-| 
E|--x--|     

PD-C HORUS
Em /// G /// Em /// B7 ///
C /// Db dim /// D/ C/ Bm7/ Am7
                  ^
(or use the descent riff again here)

(D dim =
E|--3--| 1---| 
B|--5--| 1+4-| 
G|--3--| 1---| 
D|--5--| 1+3-| 
A|--4--| 1+2-| 
E|--x--|       

(barre the 3rd fret with index and place fingers 2-3 and 4
on the indicated frets)

There's also a sliding riff on the G after the Em in the pre-chorus
This could be off, but it should be close enough.
E|--12/7--------| 2 then 2 then 2 then 1-|                           
B|--------7/8----------------------------|                           
G|--12/7---------------------------------| use 3nd finger throughout 
D|--------7/9----------------------------|                           
A|---------------------------------------|                           
E|---------------------------------------|                           

CHORUS
G / D / C /// (play 3 times)
F / F# / G /// (play this quiet part Hendrix-style)
E|-----------------------------------------| 
B|---10----10----------11----11--------12--| 
G|---10----10----------11----11--------12--| 
D|---10----10h12p10----11----11h13p11--12--| 
A|---10h12-------------11h13---------------| 
E|-----------------------------------------| 

Repeat the verse /  pre-chorus / chorus (with hendrix riff 2x on the second pass)
and end like the beginning of the intro but finish on the Em.

G /// D Em