Dont
Thank you
Your welcome.
Say thank you, with a phone call, email or thank you card.
Its all right
Fa'afetai (thank you)
You can simply say, "Thank you."
A simple "Thank You" is enough.
You can simply say, "Thank you."
"You too, thank you!"
The accepted proper way to respond to a person expressing their sympathy for your loss (as far as "etiquette" goes) is to simply say "Thank You".
In Tagalog, you can say "Walang anuman" to respond to "Thank you." This expresses that you are welcoming and that the thanks are not necessary.