Hello everyone, nice to welcome you on our site, this page even has Level 13 answers. I enjoy it =D
Level 13 - EMSMBER
The answer to this puzzle is:
Words: EMMERS, BERMES, EMBERS, BREES, EMMER, MERES, BERME, BERMS, BERM, MEMS, EMES, REES, REBS, SERE, BEES, SEEM, MEME, BREE, MEM, RES, REM, SER, EMS, REB, ERE
Bonus words:
EMMERS, BERMES, EMBERS, BREES, EMMER, MERES, BERME, BERMS, BERM, MEMS, EMES, REES, REBS, SERE, BEES, SEEM, MEME, BREE, MEM, RES, REM, SER, EMS, REB, ERE