brain-twister

and brain-teaser

n. a puzzle, especially one that requires thinking. Can you help me with this brain-teaser? I can spend my whole vacation doing brain-twisters.

Name	Pronounced	Usage
Ottoline	-	English (Rare)
Hertha	['hɜ:θə]
Siegward	-	German
Anu (2)	-	Near Eastern Mythology
BÅRd	-	Norwegian
Gene	JEEN	English