Alignment Problems

[shamork]

I've got this set of photos that I'm trying to process of a small blue glass bead. For some reason PS will only align a couple of the photos instead of the whole set and I can't seem to figure out why.  I'm using Photoscan Pro.

https://drive.google.com/open?id=0B4BZSPeUTFt-aWxfSUZDZFBpQTA