Καὶ εἰσελθόντα αὐτὸν εἰς οἶκον οἱ μαθηταὶ αὐτοῦ ἐπηρώτων αὐτὸν κατ᾽ ἰδίαν, ὅτι ἡμεῖς οὐκ ἠδυνήθημεν ἐκβαλεῖν αὐτό.

1. Καὶ
   And
2. εἰσελθόντα
   having entered
3. αὐτὸν
   him
4. εἰς
   into
5. οἶκον
   house
6. οἱ
   the
7. μαθηταὶ
   disciples
8. αὐτοῦ
   his
9. ἐπηρώτων
   they were asking
   were asking
10. αὐτὸν
    him
11. κατ᾽
    according to
12. ἰδίαν
    own
13.  
    ,
     
14. ὅτι
    that
    because
15. ἡμεῖς
    we
16. οὐκ
    not
17. ἠδυνήθημεν
    were able
    we were able
18. ἐκβαλεῖν
    to cast out
19. αὐτό
    it
    itself
20.  
    .
     

And when he had entered the house, his disciples asked him privately, Why were we not able to cast it out?