Do you know these words?

• 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.

• ごめんください

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

• それでは　しつれいします

  I've got to go now.

• しつれいしました

  I'm sorry. ; Please excuse me.

• よるおそく　すみません

  I'm sorry for calling so late.