ἆρα μὲν οὖν τὴν παλαιὰν διαθήκην καινοῖ ἢ κενοῖ ἡ καινή?
Does the New Covenant renew or make empty the Old?
The last part of which would of course come out in a MG προφορά as
kenee ee kenee ee kenee.
Just a bit of prophoric pun-ditry.
Yes, that works as a chain that crosses the borders of clarity. Kids in most languages find or produce such ambiguous stretches of text as jokes or riddles.
In your case I would not expect your sentence to be written by a MG speaker, and while there is less problem in the KOINH period
(κεnυ η κενυ η κενη )
it would take special circumstances for an author to put a sentence together just like that.