A listing of the 9 movement forms, the 52 moves and a few other aspects of the Nia Technique. The moves aren't numbered in this listing, but the names should be useful for searching for more info. Those moves with available online info are listed below.
Four stances of the Nia Technique are shown in this video. Helen Terry (black belt and Nia trainer) takes us through the Closed, Open, 'A' and Riding stances and gives a hint of some of the different effects of each.
For more info about these or any of the other 48 moves of Nia, check out the definitive resource, The Nia Technique.