I thought the diptong AE (the "a" of "hat" and the "e" of "depth", for example )was read just as it sounds, not as an Aay (i'm thinking in spanish pronunciation), and the "nei" i think is read like it sounds, NEI, not as nee(i actually don't know how to put it for english to undersantd what I'm try to say, maybe , nhey, as when you say hey