Hello everyone, nice to welcome you on our site, this page even has Level 15 answers. I enjoy it =D
Level 15 - EIRETLP
The answer to this puzzle is:
Words: PERLITE, PELTER, RETILE, TRIPLE, PETREL, PELITE, TILER, TRIPE, PETER, PERIL, LITRE, PLIER, LEPER, RELET, RELIT, RETIE, PERE, TIER, PELE, LIRE, LIPE, LIER, LEPT, LEET, TELE, RIPE, PERT, LEER, TREE, RILE, RIEL, RETE, REEL, PIER, RITE, PERI, PELT, TILE, LITE, TIP, PET, RIP, LET, LIE, PER, EEL, TIL, ERE, TEL, TEE, REP, PEE, LEI, LEE, IRE, PIT
Bonus words:
PERLITE, PELTER, RETILE, TRIPLE, PETREL, PELITE, TILER, TRIPE, PETER, PERIL, LITRE, PLIER, LEPER, RELET, RELIT, RETIE, PERE, TIER, PELE, LIRE, LIPE, LIER, LEPT, LEET, TELE, RIPE, PERT, LEER, TREE, RILE, RIEL, RETE, REEL, PIER, RITE, PERI, PELT, TILE, LITE, TIP, PET, RIP, LET, LIE, PER, EEL, TIL, ERE, TEL, TEE, REP, PEE, LEI, LEE, IRE, PIT