sybil ysbil sbyil bsyil ybsil bysil syibl ysibl siybl isybl yisbl iysbl sbiyl bsiyl sibyl isbyl bisyl ibsyl ybisl byisl yibsl iybsl biysl ibysl sybli ysbli sbyli bsyli ybsli bysli sylbi yslbi slybi lsybi ylsbi lysbi sblyi bslyi slbyi lsbyi blsyi lbsyi yblsi bylsi ylbsi lybsi blysi lbysi syilb ysilb siylb isylb yislb iyslb sylib yslib slyib lsyib ylsib lysib silyb islyb sliyb lsiyb ilsyb lisyb yilsb iylsb ylisb lyisb ilysb liysb sbily bsily sibly isbly bisly ibsly sbliy bsliy slbiy lsbiy blsiy lbsiy silby islby sliby lsiby ilsby lisby bilsy iblsy blisy lbisy ilbsy libsy ybils byils yibls iybls biyls ibyls yblis bylis ylbis lybis blyis lbyis yilbs iylbs ylibs lyibs ilybs liybs bilys iblys bliys lbiys ilbys libys
Note: these 'words' (valid or invalid) are all the permutations of the word sybil. These words are obtained by scrambling the letters in sybil.