yirrs iyrrs yrirs ryirs iryrs riyrs yirrs iyrrs yrirs ryirs iryrs riyrs yrris ryris yrris ryris rryis rryis irrys rirys irrys rirys rriys rriys yirsr iyrsr yrisr ryisr irysr riysr yisrr iysrr ysirr syirr isyrr siyrr yrsir rysir ysrir syrir rsyir sryir irsyr risyr isryr siryr rsiyr sriyr yirsr iyrsr yrisr ryisr irysr riysr yisrr iysrr ysirr syirr isyrr siyrr yrsir rysir ysrir syrir rsyir sryir irsyr risyr isryr siryr rsiyr sriyr yrrsi ryrsi yrrsi ryrsi rrysi rrysi yrsri rysri ysrri syrri rsyri sryri yrsri rysri ysrri syrri rsyri sryri rrsyi rrsyi rsryi srryi rsryi srryi irrsy rirsy irrsy rirsy rrisy rrisy irsry risry isrry sirry rsiry sriry irsry risry isrry sirry rsiry sriry rrsiy rrsiy rsriy srriy rsriy srriy
Note: these 'words' (valid or invalid) are all the permutations of the word yirrs. These words are obtained by scrambling the letters in yirrs.