Hello everyone, nice to welcome you on our site, this page even has Level 4 answers. I enjoy it =D
Level 4 - CINGANHG
The answer to this puzzle is:
Words: ACHING, CAGING, CANING, AHING, CHANG, ACING, NIGH, AGIN, GIGA, CAIN, CHAI, CHIA, HAG, CHI, ANI, CIG, NAH, NAN, GIN
Bonus words:
ACHING, CAGING, CANING, AHING, CHANG, ACING, NIGH, AGIN, GIGA, CAIN, CHAI, CHIA, HAG, CHI, ANI, CIG, NAH, NAN, GIN