Your condolences can do just one of.
What do you say when someone loses a daughter. Im here to listen. Open strong and say something from your heart. Keep in mind that someone who loses a child will never get back to normal and will never get over it The loss of a child transforms a person for the rest of his or her life.
Give them a hug and let them know you care and are thinking about them. Compliment the one who is gone. If the person wants to talk listen.
Im sorry for your loss and you celebrate your Babys life and keep her memory alive and in your heart for the rest of your life whenever you want to. That said you may consider alternatives to the ubiquitous Im sorry for your loss. I hope you can find peace in the wonderful life she has lived.
Generally speaking make sure that what you say does at least one of the following. I am here for you and am thinking of you Signing. This is a good sentiment to express when a friends loved one dies from any cause including suicide.
Im so sorry for your loss. Sometimes its best to not say anything but simply be there to show your support. Share a favorite memory or connection with the child.
This is perhaps. Insert childs name had such a beautiful soul and I feel so lucky to have. Then let someone else have a chance to offer condolences.