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Level 2 - ITUTAORL
The answer to this puzzle is:
Words: TITULAR, RIALTO, TORULA, TRIOL, TORTA, TOLAR, LIROT, OTTAR, URIAL, ATILT, TORA, TROT, TARO, TORI, RATO, TOIT, TIRO, TOIL, ROUT, AUTO, IOTA, LIRA, TAUT, TALI, RIAL, ROTA, LARI, LOUT, TORT, LAIR, LIAR, LITU, TRIO, AIRT, LATU, ALIT, TAIL, RAIL, ALTO, TOUT, LOUR, ARIL, TART, ROIL, ROTI, LOTI, TOUR, LATI, OUR, OAR, ROT, ART, OUT, LOT, AIR, OIL, TIL, LIT, TAR, ALT, TAU, TAT, TOT, TIT, ATT, LAT, TOR, AIL, OAT, RUT, RAT, TUT
Bonus words:
TITULAR, RIALTO, TORULA, TRIOL, TORTA, TOLAR, LIROT, OTTAR, URIAL, ATILT, TORA, TROT, TARO, TORI, RATO, TOIT, TIRO, TOIL, ROUT, AUTO, IOTA, LIRA, TAUT, TALI, RIAL, ROTA, LARI, LOUT, TORT, LAIR, LIAR, LITU, TRIO, AIRT, LATU, ALIT, TAIL, RAIL, ALTO, TOUT, LOUR, ARIL, TART, ROIL, ROTI, LOTI, TOUR, LATI, OUR, OAR, ROT, ART, OUT, LOT, AIR, OIL, TIL, LIT, TAR, ALT, TAU, TAT, TOT, TIT, ATT, LAT, TOR, AIL, OAT, RUT, RAT, TUT