Hello everyone, nice to welcome you on our site, this page even has Level 12 answers. I enjoy it =D
Level 12 - URETYLT
The answer to this puzzle is:
Words: TETRYL, RUTTY, UTTER, TUYER, YULE, TREY, YURT, TYRE, LUTE, LYRE, RUE, TEL, RYE, LYE, TUT, RUT
Bonus words:
TETRYL, RUTTY, UTTER, TUYER, YULE, TREY, YURT, TYRE, LUTE, LYRE, RUE, TEL, RYE, LYE, TUT, RUT