pretty sure its all accurate, lyrics taken from some random site but seem accurate too.
standard tuning
i recommend the following chord positions, they are the easiest/best sounding in my 
opinion. Your results my vary. played with a reggae feel on the off beat, mostly the e,b,g 
strings but i put the full chords if that tickles your fancy.

G# (xx1114@1) A#m (x13321@1) Cm (x3101x@1)      C# (x43121@1)  D# (x43121@3)name="chord_022000@1">e  4    6     8         4     6
B (x2444x@1)4    6     8         6     8
G (320003@1)5    6     8         6     8
D (xx0232@1)6    8     10        6     8
A (x02220@1)6    8     10        4     6
E (022100@1)4    6     8         x     x

G#'Cos (xx1114@1)if we lived a long time ago,
                                   A#mThese (x13321@1)would be my love letters to you, to you
Cm (x3101x@1)            A#mIf (x13321@1)we lived a long time ago
Cm (x3101x@1)                   A#m (x13321@1)           G#These (xx1114@1)would be my love letters to you, to you

G#Well (xx1114@1)these words that I write, they go up in the sky

Sit up in space, come down in your eyes
A#mIt's (x13321@1)true, it's true
G#I (xx1114@1)don't need no birds that fly, I can send my love through the satellite?
A#mIt's (x13321@1)true, it's true

G#'Cos (xx1114@1)if we lived a long time ago,
                                    A#mThese (x13321@1)would be my love letters to you, to you
G#if (xx1114@1)we lived a long time ago,
                                  A#mThese (x13321@1)would be my love letters to you, to you

Cm (x3101x@1)            A#mIf (x13321@1)we lived a long time ago
Cm (x3101x@1)                   A#m (x13321@1)         G#These (xx1114@1)would be my love letters to you, to you

Cm (x3101x@1)            A#mIf (x13321@1)we lived a long time ago
Cm (x3101x@1)                   A#m (x13321@1)           G#These (xx1114@1)would be my love letters to you, to you

G#Well (xx1114@1)I don't need no plane or train or automobile

To send you all my love and ask you, "How do you feel?"

A#mIt's (x13321@1)true, it's true

G#I (xx1114@1)used to keep your letters underneath my bed

Now at a push of a button, they go straight to my head
A#mIt's (x13321@1)true, they go straight to my head

Cm (x3101x@1)            A#mIf (x13321@1)we lived a long time ago
Cm (x3101x@1)                   A#m (x13321@1)           G#These (xx1114@1)would be my love letters to you, to you

Cm (x3101x@1)            A#mIf (x13321@1)we lived a long time ago
Cm (x3101x@1)                   A#m (x13321@1)           G#These (xx1114@1)would be my love letters to you, to you

C# (x43121@1)                                  D#And (x43121@3)if there was a blackout, I would have to let you know
C# (x43121@1)                                    D#I'd (x43121@3)light a thousand lanterns in the sky and let them go
C# (x43121@1)                                        D#I'd (x43121@3)watch them float away and burn out right next to the stars
C# (x43121@1)                                          D#But (x43121@3)at least you'd know that I sent my love and the brightest ones were ours

G#if (xx1114@1)we lived a long time ago,
                                   A#mThese (x13321@1)would be my love letters to you, to you

Cm (x3101x@1)            A#mIf (x13321@1)we lived a long time ago
Cm (x3101x@1)                   A#m (x13321@1)          G#These (xx1114@1)would be my love letters to you, to you

Cm (x3101x@1)            A#mIf (x13321@1)we lived a long time ago
Cm (x3101x@1)                   A#m (x13321@1)           G#These (xx1114@1)would be my love letters to you, to you