καὶ ταῦτα γράφομεν ὑμῖν, ἵνα ἡ χαρὰ ἡμῶν ᾖ πεπληρωμένη.

1. καὶ
   and
2. ταῦτα
   these
   these things
3. γράφομεν
   we write
4. ὑμῖν
   to you
5.  
   ,
    
6. ἵνα
   so that
7. ἡ
   the
   or
8. χαρὰ
   joy
9. ἡμῶν
   our
10. ᾖ
    the
    or
11. πεπληρωμένη
    filled
    fulfilled
12.  
    .
     

And we write these things to you so that our joy may be complete.