Hello everyone, nice to welcome you on our site, this page even has Level 9 answers. I enjoy it =D
Level 9 - OORIHZN
The answer to this puzzle is:
Words: ORZO, NORI, NOIR, INRO, ONO, RHO, OOH, HON, NOR
Bonus words:
ORZO, NORI, NOIR, INRO, ONO, RHO, OOH, HON, NOR