Well I say a dozen flowers with a fake one in the middle with a card that says "we will love you until the last flower"so the fake one won't die evar! :D
I think there is nothing best option than the flowers but if you have forgotten the flowers then some clothes can also work. http://www.sendflorist.com.sg/shop-by-occasion/condolences
Like Claude Monet, we are crazy about flowers and must have flowers always. We believe beautiful floral art, like any art, can communicate emotions. Our floral arrangements are designed with details to surprise and delight the people who receive them. https://www.flowers-always.com/