Hello everyone, nice to welcome you on our site, this page even has Level 16 answers. I enjoy it =D
Level 16 - XOHEPIN
The answer to this puzzle is:
Words: PHENIX, OPINE, OXEN, EXON, PHON, PION, PEON, PONE, EXPO, HONE, HIE, HOE, HOP, ION, PHI, PIX, POX, NIX, EON, POI, HON, HIP, NIP, HEP, PIE
Bonus words:
PHENIX, OPINE, OXEN, EXON, PHON, PION, PEON, PONE, EXPO, HONE, HIE, HOE, HOP, ION, PHI, PIX, POX, NIX, EON, POI, HON, HIP, NIP, HEP, PIE