Hello everyone, nice to welcome you on our site, this page even has Level 16 answers. I enjoy it =D
Level 16 - PNOIENG
The answer to this puzzle is:
Words: EPIGON, PINGO, OPING, PINON, PENNI, PENGO, GIPON, OPINE, GENIP, GIEN, PEON, PION, PONE, NEON, ION, PEN, INN, GIN, PIN, PIE, EGO, ENG, POI, ONE, EON, NIP, GEN, PEG, NOG
Bonus words:
EPIGON, PINGO, OPING, PINON, PENNI, PENGO, GIPON, OPINE, GENIP, GIEN, PEON, PION, PONE, NEON, ION, PEN, INN, GIN, PIN, PIE, EGO, ENG, POI, ONE, EON, NIP, GEN, PEG, NOG