I often come across orders to do ECO logo (freelancer.com, you are so varied). Often client like a variant with 1-2 letters made by leaves.
I do not need numbers. Required only letters. So for myself, I made a vector file with all the letters. I am ready to share with all of them. Below you can download *.ai file, do not forget to say thank you, I will be happy.
UPD. Sorry, 
but now this project is not free (10$)

UPD. Sorry, but at the moment this project with small changes became paid. You can buy it by following this link