Hello everyone, nice to welcome you on our site, this page even has Level 4 answers. I enjoy it =D
Level 4 - TMIYAUTR
The answer to this puzzle is:
Words: YTTRIUM, YTTRIA, ATRIUM, RATTY, TARTY, RUTTY, TRYMA, YURTA, RAMI, TAUT, MUTT, YURT, MURA, AIRT, RIMY, AMIR, MAUT, ARUM, MIRY, ARTY, TART, MATT, MITT, TRAY, AIRY, MART, MAR, TUT, TRY, RAT, ARM, RUT, TAT, TAU, TIT, ATT, RAM, YUM, YAM, TAM
Bonus words:
YTTRIUM, YTTRIA, ATRIUM, RATTY, TARTY, RUTTY, TRYMA, YURTA, RAMI, TAUT, MUTT, YURT, MURA, AIRT, RIMY, AMIR, MAUT, ARUM, MIRY, ARTY, TART, MATT, MITT, TRAY, AIRY, MART, MAR, TUT, TRY, RAT, ARM, RUT, TAT, TAU, TIT, ATT, RAM, YUM, YAM, TAM