Do you know these words?

• うんこ（を）する

  to defecate ; to have a bowel movement

• うんこが　でる

  to defecate ; to have a bowel movement

• おしょうすい

  water

• おなら

  gas ; to flatulate ; to expel

• おなら（を）する

  to pass gas ; to break wind ; pass flatus