Sample list of neighbors.
High Density Low Density 末末末末末末末末末末末末末末末末末末末末末末 p^C puch t@v tav pcD pawth wim weem pcG** pawng pcG** pawng peC paych faS fahsh DcC thawch CED cheth pcS pawsh sOG soyng ncC ** nawch ncC ** nawch pcv pawv DIC thich rcC rawch mUl muhl pEC **pech pEC **pech pOC poych bWC bauch scC sawch koT koeth 末末末末末末末末末末末末末末末末末末末末末末