The following phrases share an unusual quality. Can you determine what it is?

1. Theme generation
2. Past or present
3. Have a lot to offer
4. Debussy's La Mer
5. One out often

Answers:

Without re-arranging the order of the letters, each phrase can be changed into a new one by breaking up or combining certain words:

1. The Me Generation
2. Pastor present
3. Have a Lotto offer
4. Debussy's lamer
5. One out of ten

Credit:
NY Times Crossword
Trip Payne
SPACING OUT