Write this in own words:

i wish i had words to comfort and sustain you in your grief, but i know there are none that will take away any pain you are feeling now.

I don't have the words to comfort you in your sorrow, I know there will be nothing that will try to take away the pain your feeling right now.

Original:

"I wish I had words to comfort and sustain you in your grief, but I know there are none that will take away any pain you are feeling now"

My version:

"Watching you suffer is the last thing I'd want to do. But here I am. I wish I could comfort you and make you remember the good times, but in this moment, I think it's best to let you overcome the pain and let it all out. For now...I give you my condolences."

Hope this helps!

To get what you want you have to work for it.