LETTER SWAPPING I
Credit: GAMES Magazine
August, 2009
Stephen Sniderman  (adapted)

The words in each pair below can swap a single letter to create two new words. For example, in the words LETTER and SWAPPING, the L and W can be traded to create WETTER  and SLAPPING. In RECENT and RAPIER, the C and P can be exchanged to make REPENT and RACIER.

1. DISH..........................CELLO
2. TUBE.........................PASTA
3. CANNING.................FLUSH
4. SQUIRT.....................SCENE
5. SEAM........................SMITH
6. WRITER...................WAIST

Answers:

1. DISC.........................HELLO
2. TUBA........................PASTE
3. CUNNING................FLASH
4. SQUIRE....................SCENT
5. SHAM.......................SMITE
6. WAITER...................WRIST

NOTE: This puzzle, and the others like it (LETTER SWAPPING I - VIII), can be made more difficult by mixing up the words in the second column.