harls ahrls hrals rhals arhls rahls halrs ahlrs hlars lhars alhrs lahrs hrlas rhlas hlras lhras rlhas lrhas arlhs ralhs alrhs larhs rlahs lrahs harsl ahrsl hrasl rhasl arhsl rahsl hasrl ahsrl hsarl sharl ashrl sahrl hrsal rhsal hsral shral rshal srhal arshl rashl asrhl sarhl rsahl srahl halsr ahlsr hlasr lhasr alhsr lahsr haslr ahslr hsalr shalr ashlr sahlr hlsar lhsar hslar shlar lshar slhar alshr lashr aslhr salhr lsahr slahr hrlsa rhlsa hlrsa lhrsa rlhsa lrhsa hrsla rhsla hsrla shrla rshla srhla hlsra lhsra hslra shlra lshra slhra rlsha lrsha rslha srlha lsrha slrha arlsh ralsh alrsh larsh rlash lrash arslh raslh asrlh sarlh rsalh sralh alsrh lasrh aslrh salrh lsarh slarh rlsah lrsah rslah srlah lsrah slrah
Note: these 'words' (valid or invalid) are all the permutations of the word harls. These words are obtained by scrambling the letters in harls.