ZR2 glyphs from: Maya Hieroglyphic Database: Catalog. Drawings by Matthew Looper, except codical examples by Martha Macri.

ZR2 #1 lu (syllable)

ZR2 #2 lu (syllable)

ZR2 #3 lu (syllable)

ZR2 #4 lu (syllable)

ZR2 #5 lu (syllable)