1) Absent from the office 2) Away 3) Away at the moment 4) Away from home 5) Away from the house 6) Away from the office 7) Dealt out 8) Out for lunch 9) Out of the office 10) Out sick 11) Out to lunch 12) Running an errand 13) Still on order 14) Unavailable for appointments 15) Vacationing 
nothing