Verse 1:
Cm             G                    Eb
 Oh baby, baby How was I supposed to know
    Fm                    G 
That something wasn't right here
Cm             G                        Eb
 Oh baby, baby I shouldn't have let you go
Fm                    G
And now you're out of sight, yeah
Cm                  G
Show me how want it to be
        Eb                     Fm        G
Tell me baby 'cause I need to know now, oh because
Chorus:
Cm                G
 My loneliness is killing me (and I)
Eb                 Fm
 I must confess I still believe
Cm                     G
When I'm not with you I lose my mind
         Eb
Give me a sign
Fm          G
Hit me baby one more time
Verse 2
https://www.coveralia.com/acordes/---baby-one-more-time--davidson-ospina-2005-remix--britney-spears.php
Oh baby, baby The reason I breathe is you
Boy you got me blinded
Oh pretty baby
There's nothing that I wouldn't do
It's not the way I planned it
Show me how you want it to be
Tell me baby 'cause I need to know now, oh because
Chorus
Verse 3
Cm                     G           Eb      Fm  G
Oh baby, baby how was I supposed to know
Cm                 G                    Eb   Fm  G
Oh pretty baby, I shouldn't have let you go
          Cm                    G                Eb
I must confess, that my loneliness is killing me now
          Fm     G          Cm
Don't you know I still believe
                  G
That you will be here
             Eb
And give me a sign
Fm           G             Cm 
Hit me baby one more time
Chorus