[tlhIngan Hol] double {-'e'}s in be sentences

This rings a bell, of something we'd discuss (quite) some time ago. But I *still* can't understand, which rule prohibits us writing: romuluSnganpu''e' chaH jaghpu''e' As for the enemies, they are the *romulans* i.e. placing an emphatic {-'e'} on the first noun of a be sentence. ~ mayqel qunen'oS reH tlhInganpu' taHjaj