Sub Demo()
Application.ScreenUpdating = False
With ActiveDocument.Range
  With .Find
    .ClearFormatting
    .Replacement.ClearFormatting
    .Forward = True
    .Wrap = wdFindContinue
    .Text = "^g^g^g"
    .Replacement.Text = "^&^l^l"
    .Execute Replace:=wdReplaceAll
    .Text = "^g"
    .Replacement.Text = "^&^t"
    .Execute Replace:=wdReplaceAll
    .Text = "^t^l"
    .Replacement.Text = "^l"
    .Execute Replace:=wdReplaceAll
  End With
End With
Application.ScreenUpdating = True
End Sub