Hello everyone, nice to welcome you on our site, this page even has Level 11 answers. I enjoy it =D
Level 11 - RIEMEPR
The answer to this puzzle is:
Words: EPIMER, PREMIE, RIPER, PRIER, RIMER, MERER, PERE, PERM, PIER, EMIR, PERI, PRIM, ERR, REM, PEE, REP, RIM, PER, IRE, ERE
Bonus words:
EPIMER, PREMIE, RIPER, PRIER, RIMER, MERER, PERE, PERM, PIER, EMIR, PERI, PRIM, ERR, REM, PEE, REP, RIM, PER, IRE, ERE