7d Passerine bird genus of S andSW Asia to which the fairy bluebird belongs.(8) (i?e?i??e) 14d Systematic change of vowels that alters grammatical function, as in ring, rang, and rung. (6) (A?l?u?) 18d Alloy of copper and tin, often withsmall amounts of other metals such as lead.(6) (Br????) 21d 7th century Hebrew prophet, attributed author of an Old Teestament book that describes the destruction of Nineveh.(5) (N????) 26d Lkandlocked republic on the Horn of Afria sometimes identified with the Biblical Kush.(8)