Greetings, KD and others. Schleichers' Fable is indeed the practice piece used in David's language lesson. Fassbender took, by his own admission, about 17 hours to commit the entire fable to memory - poor man - and RS ended up using only the first line, which runs as follows:
hjewɪs jasmə hwælnə nahəst akʷunsəz dadʳkta (KD
This isn't a million miles away from Kortlandt or Lühr (or, for that matter, Schleicher's original). On the subject of the writing system, let me quash a rumour: it ISN'T of my doing. The use of what resembles a mixed cuneiform/hieroglyphic system, with elements of Eteocypriot and Linear Elamite chucked in for good measure, would not have occurred to me - I'm glad to say. The script comes courtesy of Fox's art department.