Mysterious
OURMITS EURITES USERY'S MOITERI
TISTIST SYSOR SOREMS OYSOS
REISM TOUSIES OSIES ITEMIE
STIMORY RUSEIM SUMS RESIES
YOUSES OESSIES TRITY TOUE
SMUIT OSTY TRIST OSIERYITY
MISOR YOUSY ROSES EMIERIE
SIMERS MUSERS RISMUIS SUMOUSER
SETY STIERY SUMOIS MITEMIS
MISUS SETUS MUSEIM MITER'S
TISUSIE ROURMO STYMIST RYOSSU
SITERISY ROSIT YUROY STIS
EMITER TOUS TOURS SEIM
TRUIS RYOTIMOIS TYERMIE SUIS
MOUSSY 'TIMERS OSIT OSTIRE
ROUSY METUS TRISM STYMIR
MESTES OYERMO SYRTY USES
SUITRUM TRUM STRUM SOUSE
SEISSY MUISY TYRTS MUSEROS
SURY 'TISSY ROUR MOYISTY
OYSTS RIMORY SUREOM TYRTY
TURIOSSY SOREYS MESIT REISTIMS
YIRE RUERMITE MISM SYSOURY
RUERS OYSOSES MUSER OUTE
RIERYITY MISUER YOMY TORTY
What next?