Solutions to yesterday's extra Words within Word Sudoku puzzles

I gave you 17 interactive 4x4 Words within Word Sudoku puzzles yesterday, all using four of the five letters in the word BLADE.

Common words:
1. BLADE -A: BLED
2. BLADE -B: DALE
3. BLADE -B: DEAL
4. BLADE -B: LADE
5. BLADE -B: LEAD
6. BLADE -D: ABEL
7. BLADE -D: ABLE
8. BLADE -D: BALE
9. BLADE -D: ELBA
10. BLADE -E: BALD
11. BLADE -L: ABED
12. BLADE -L: BADE
13. BLADE -L: BEAD

Rare/obsolete words:
14. BLADE -B: LEDA
15. BLADE -D: ALBE
16. BLADE -D: BAEL
17. BLADE -D: BLAE

Please let me know what you thought of (1) this new kind of puzzle; and (2) the interactive puzzles! Comment on this post.

Thanks,
--Dave