Intro's an F to Fmaj7, looks like;

E|----1--0----|
B|----1--1----|
G|----2--2----|
D|----3--3----|
A|----0--0----|
E|------------|


    F
And what's that saying again

They're only words
                     C/G
And words can't kill me
F
Well I can't even spell them

And the cadence 
                    C/G
Of what she says is swell


                Am
Let's talk about spaceships
   F               C            G
Or anything except you and me, okay?
                 Am
Let's talk about spaceships
   F               C            G  
Or anything except you and me, okay?
 F
Okay...


    F
And don't look now

But there's a spider
                            C/G
Crawling on the wall behind you
      F
Yep I should have paid attention
          C/G
In algebra


                Am
Let's talk about spaceships
   F               C            G
Or anything except you and me, okay?
                 Am
Let's talk about spaceships
   F               C            G  
Or anything except you and me, okay?
 F
Okay...


C jam, using Cmaj7 & Cmaj9 (or Cadd2)
[just play with the second and fourth strings 
of the C shape to progress through the three; looks like:]

E|--0--0--0---------|
B|--1--0--0| or 1----|
G|--0--0--0---------|
D|--2--2--0---------|
A|--3--3--3---------|
E|------------------|


                Am
Let's talk about spaceships
   F               C            G
Or anything except you and me, okay?
                 Am
Let's talk about spaceships
   F               C            G  
Or anything except you and me, okay?
 F
Okay...