H should be right and a is indeed right.
About e, I wasn't able to find an Emerald rear-view, but I'd say it's not the One.
Is company 'h' Japanese, or knowing your style of puzzles, is it also an Italian company (perhaps linked with Sessano/Open design who worked a lot for Mitsubishi back in those days)?
"the Emerald is a second edition of the IDEA-One concept car presented at the Geneva Motor Show a few years ago."
I would not be surprised if it is one and the same car that was repainted and perhaps received some slight modifications. So I think the rear looks the same as the rear of the Ideaone.
I was (and still am) pretty convinced that the puzzle car is (or resulted in) the Ideaone. Look at the C pillar, the elevated trunklid,...
