On-line Te Reo Māori Dictionary

Noo Rewi te hooiho nei
This horse is Rewi’s

Noo te poo i tae mai ai
At night, [it] arrived

ki naa o whaka kei moo me hei noo e
However, some of these have functions other than being clearly prepositional. In

Noo toona tae·nga mai, ka mahi·a e ahau he kapu tii
When (and because) he arrived, I made a cup of tea