Reply To: Classics and Beyond Va’eira — Separate but Equal:

On separate but equal, the Chasan Sofer on the Hagadah where ilu ‘hen’ is unnecessary explains that os ‘heh’ and ‘nun’ have no partner. Aleph goes with teis to add up to ten and yud and tzadik adds up to a hundred.
The makus where not related to each other such that one brings the other. Blood make the frogs escape.
hen am levadad yishkon, the Bnei Yisroel are unique, dwell by their own, lonely, they are not counted among goyim.