Hello everyone, nice to welcome you on our site, this page even has Level 21 answers. I enjoy it =D
Level 21 - SERWNNI
The answer to this puzzle is:
Words: REWINS, SINNER, RENINS, INNERS, WEIRS, SINEW, SERIN, RISEN, INNER, REWIN, RESIN, NINES, RENIN, WIRES, REINS, WISER, WRENS, RINSE, SEWN, RINS, WINS, INNS, WINE, ERNS, WREN, WEIR, SIRE, SINE, RISE, REIS, REIN, INS, SER, SEN, RES, IRE, NEW, WEN
Bonus words:
REWINS, SINNER, RENINS, INNERS, WEIRS, SINEW, SERIN, RISEN, INNER, REWIN, RESIN, NINES, RENIN, WIRES, REINS, WISER, WRENS, RINSE, SEWN, RINS, WINS, INNS, WINE, ERNS, WREN, WEIR, SIRE, SINE, RISE, REIS, REIN, INS, SER, SEN, RES, IRE, NEW, WEN