Hello everyone, nice to welcome you on our site, this page even has Level 18 answers. I enjoy it =D
Level 18 - VYSREUS
The answer to this puzzle is:
Words: USERS, RUSES, SUERS, VERY, USER, USES, SUES, RUSE, RUES, REVS, RUE, RES, SER, REV, RYE
Bonus words:
USERS, RUSES, SUERS, VERY, USER, USES, SUES, RUSE, RUES, REVS, RUE, RES, SER, REV, RYE