Some people asked me, so here goes some actions:

/zzz – puts your character to sleep
/sit – makes your pico sit on the floor
/stand – makes your pico stand up
/nekohebi – makes a cute kitty
/hungry – knife and fork
/thumb – thumbs up pix
/kiss – lips pix
/min – mini-me
/panda – panda pix
/heart – heart pix