Hello everyone, nice to welcome you on our site, this page even has Level 11 answers. I enjoy it =D
Level 11 - UATURLLC
The answer to this puzzle is:
Words: CURTAL, TRULL, CULT, CARL, CURT, LULU, LUAU, TALC, CULL, CAUL, LATU, ALT, TAU, LAT, RUT, LAC
Bonus words:
CURTAL, TRULL, CULT, CARL, CURT, LULU, LUAU, TALC, CULL, CAUL, LATU, ALT, TAU, LAT, RUT, LAC