BIONICLE Languages other than Matoran

There are 3 known languages that are not Matoran. These are:

Flying Rahi, Nuju's language of clicks and gestures, spoken by Nuju, Kualas and any flying rahi.
Keetongu's language, spoken by Keetongu.
Visorak, spoken by Visorak. Only known word is Visorak, translating into "Stealers of life" in Visorak, but "Poisonous Scourge" in Matoran.
An unnamed "Ancient Language", used at one point by Sidorak to curse in.