Hello everyone, nice to welcome you on our site, this page even has Level 5 answers. I enjoy it =D
Level 5 - ROPUD
The answer to this puzzle is:
Words: DOUR, DURO, UPDO, DORP, PUD, OUD, PRO, POD, OUR
Bonus words:
DOUR, DURO, UPDO, DORP, PUD, OUD, PRO, POD, OUR