21.   Imre Kinszki turned a view of city houses into an unusual combination of romantic nocturne and architectural cubism.

22.   Investigators say they believe that the crash was caused by an unusual combination of mechanical failure and human error.

23.   It is an unusual combination.

24.   On Friday, the National Weather Service in Flagstaff, Ariz., forecasted the unusual combination of thunderstorms with snow.

25.   Other colorful entries include an unusual combination of blueberries, cherry tomatoes, olive oil and balsamic vinegar.

26.   Pork tenderloin with a fig-poblano jus was another unusual combination I liked, and the pork was not overdone, no mean feat.

27.   Praised by rival investment bankers for his unusual combination of stock-trading skill and management acumen, Kovalik was considered a prime recruitment target.

28.   She puts you squarely on her side and keeps you there because of the unusual combination of vocal splendor and personal sincerity she brings to the part.

29.   So has an unusual combination of risk-taking and caution.

30.   The catalysts for the movement, recording executives and performers agree, were an unusual combination of a single singer and the technology of the Internet.