Hello everyone, nice to welcome you on our site, this page even has Level 9 answers. I enjoy it =D
Level 9 - DTNEXDEE
The answer to this puzzle is:
Words: TENDED, DENTED, DENE, DEET, EXED, TED, NEE
Bonus words:
TENDED, DENTED, DENE, DEET, EXED, TED, NEE