Changed corpus to explicitly use 6-grams.
Changed corpus to explicitly use 6-grams.

orezpraw/estimate-charm,orezpraw/unnaturalcode,orezpraw/unnaturalcode,naturalness/unnaturalcode,naturalness/unnaturalcode,naturalness/unnaturalcode,naturalness/unnaturalcode,naturalness/unnaturalcode,naturalness/unnaturalcode,naturalness/unnaturalcode,orezpraw/unnaturalcode,orezpraw/unnaturalcode,orezpraw/unnaturalcode,orezpraw/unnaturalcode,orezpraw/unnaturalcode