Hello everyone, nice to welcome you on our site, this page even has Level 11 answers. I enjoy it =D
Level 11 - OILDPHN
The answer to this puzzle is:
Words: POIND, INDOL, LOIN, LINO, LIDO, PLOD, PION, HOLP, HIND, DIOL, PHON, POI, LOP, HOD, HON, NIP, HOP, LIP, OIL, DON, LID, DIN, DIP, LIN, PIN, NIL, HID, PHI, POL
Bonus words:
POIND, INDOL, LOIN, LINO, LIDO, PLOD, PION, HOLP, HIND, DIOL, PHON, POI, LOP, HOD, HON, NIP, HOP, LIP, OIL, DON, LID, DIN, DIP, LIN, PIN, NIL, HID, PHI, POL