YG2 glyphs from: Maya Hieroglyphic Database: Catalog. Drawings by Matthew Looper, except codical examples by Martha Macri.

YG2a #1 ? day 09: Muluk

YG2a #2 ? day 09: Muluk

YG2a #3 ? day 09: Muluk

YG2b/s #1 UH, u moon

YG2s #1 u (syllable)

YG2s #2 u (syllable)