Hello everyone, nice to welcome you on our site, this page even has Level 19 answers. I enjoy it =D
Level 19 - RETSKI
The answer to this puzzle is:
Words: KITERS, TRIKES, KIERS, TRIES, TREKS, TIKES, TIERS, SKITE, SKIER, SIKER, RITES, RESIT, KITES, KITER, KEIRS, STIRK, TRIKE, IRKS, KEIR, TRES, KRIS, TIES, REIS, RITE, ERST, SIRE, SKIT, KITS, TIKE, TREK, RES, ITS, IRE, IRK, SER
Bonus words:
KITERS, TRIKES, KIERS, TRIES, TREKS, TIKES, TIERS, SKITE, SKIER, SIKER, RITES, RESIT, KITES, KITER, KEIRS, STIRK, TRIKE, IRKS, KEIR, TRES, KRIS, TIES, REIS, RITE, ERST, SIRE, SKIT, KITS, TIKE, TREK, RES, ITS, IRE, IRK, SER