Epstein: epsteen, epstine, epshteen or epshtine ?
Weinstein: winestine, weensteen, winesteen, weenstine, wineshtine, weenshteen, wineshteen, weenshtine,
vinestine, veensteen, vinesteen, veenstine, vineshtine, veenshteen, vineshteen, veenshtine
Einstein: inestine or ineshtine - definitely not eenstine or inesteen etc.
Frankenstein: frankenstine or frankenshtine - definitely not frankensteen ...
Think e before i implies ay sound, i before e implies ee .. but itself doesn't work for "implies".
Given up now...