To What Extent is Trash Talking Allowed?

Basically the title. I looked up the limits for trash talking in LoL and it only came up with people saying that "Trash Talking isn't allowed" after being perma'd. I obviously know they all said something awful to be perma'd, but I would really like to know what can be said without getting banned. I'll give an example of my last game, where as a jungler, I faced off against an enemy jgler 4 divisions above me, as he was duo'd with a gold midlaner. "Imagine being outjg'd by a gold IV" "Duo with plat jg and still loses" Are the aforementioned phrases above allowed or do they violate the code? Thanks!
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