On pages 18 and 19 of Thrasymachus there are a couple of sentences with ou0de\n a1llo followed by h2 later in the sentence.
I think ou0de\n a1llo means "no-one else", but I can't see how h2 fits in. It seems to be a non-literal expression. :?
Here are the quotes: (Both from Aphrodite.)
a9marta&nete, w} fi/lai: ou0de\n ga_r a1llo h2 filei= ta_j gunai=kaj, w(&sper oi9 a1lloi ...