PX4 glyphs from: Maya Hieroglyphic Database: Catalog. Drawings by Matthew Looper, except codical examples by Martha Macri.

PX4 #1 na (syllable)

PX4 #2 na (syllable)

PX4 #3 na (syllable)

PX4 #4 na (syllable)

PX4 #5 na (syllable)