Hello everyone, nice to welcome you on our site, this page even has Level 6 answers. I enjoy it =D
Level 6 - QINREYU
The answer to this puzzle is:
Words: REQUIN, QUIRE, INURE, QUERN, QUIN, RYE, RUE, YIN, IRE, YEN
Bonus words:
REQUIN, QUIRE, INURE, QUERN, QUIN, RYE, RUE, YIN, IRE, YEN