Originally Posted by: Klondike MikeHow about the 3rd mode of Eb Melodic minor?

Or, Root, flat 2nd, 3rd, 4th, 5th, b6th, b7th.

Unfortunately not.
The chord built on the third degree of the Eb melodic minor is a "Gb", and I have a "Gmaj".
The chord built on the fifth of the Eb melodic minor is a "Bb", and I have a "Bdim" in my progression.