Do you know these words?

• あいさつ（を）する

  to greet

• おじぎを　する

  to bow (formal)

• おしょくじちゅうに　しつれい　いたします

  I'll be joining you at mealtime.

• おれいを　いう

  to say thanks to express gratitude

• ごめんください

  Excuse me. ; Anybody home? ; May I come in? (an expression used by a visitor)