The same two letters, in the same, consecutive order, will change the words below into new ones.What are the letters, where do they go, and what are the new words?

1. SIR
2. POLL
3. LIST
4. WARD
5. ALBUM

Answer:

The letters EN can be added at the end of the clues to make new words:

1. SIREN
2. POLLEN
3. LISTEN
4. WARDEN
5. ALBUMEN