byrls ybrls bryls rbyls yrbls rybls bylrs yblrs blyrs lbyrs ylbrs lybrs brlys rblys blrys lbrys rlbys lrbys yrlbs rylbs ylrbs lyrbs rlybs lrybs byrsl ybrsl brysl rbysl yrbsl rybsl bysrl ybsrl bsyrl sbyrl ysbrl sybrl brsyl rbsyl bsryl sbryl rsbyl srbyl yrsbl rysbl ysrbl syrbl rsybl srybl bylsr yblsr blysr lbysr ylbsr lybsr byslr ybslr bsylr sbylr ysblr syblr blsyr lbsyr bslyr sblyr lsbyr slbyr ylsbr lysbr yslbr sylbr lsybr slybr brlsy rblsy blrsy lbrsy rlbsy lrbsy brsly rbsly bsrly sbrly rsbly srbly blsry lbsry bslry sblry lsbry slbry rlsby lrsby rslby srlby lsrby slrby yrlsb rylsb ylrsb lyrsb rlysb lrysb yrslb ryslb ysrlb syrlb rsylb srylb ylsrb lysrb yslrb sylrb lsyrb slyrb rlsyb lrsyb rslyb srlyb lsryb slryb
Note: these 'words' (valid or invalid) are all the permutations of the word byrls. These words are obtained by scrambling the letters in byrls.