I think {-Ha'} on adverbials only really works when the adverbial has a
meaning with an obvious opposite. {jaS} "differently" has an obvious
opposite in {jaSHa'} "in the same manner." Words like {tugh} and {DaH}
don't have obvious opposites, and thus are less suitable for {-Ha'}.
--
SuStel
http://www.trimboli.name/