girns igrns grins rgins irgns rigns ginrs ignrs gnirs ngirs ingrs nigrs grnis rgnis gnris ngris rngis nrgis irngs rings inrgs nirgs rnigs nrigs girsn igrsn grisn rgisn irgsn rigsn gisrn igsrn gsirn sgirn isgrn sigrn grsin rgsin gsrin sgrin rsgin srgin irsgn risgn isrgn sirgn rsign srign ginsr ignsr gnisr ngisr ingsr nigsr gisnr igsnr gsinr sginr isgnr signr gnsir ngsir gsnir sgnir nsgir sngir insgr nisgr isngr singr nsigr snigr grnsi rgnsi gnrsi ngrsi rngsi nrgsi grsni rgsni gsrni sgrni rsgni srgni gnsri ngsri gsnri sgnri nsgri sngri rnsgi nrsgi rsngi srngi nsrgi snrgi irnsg rinsg inrsg nirsg rnisg nrisg irsng risng isrng sirng rsing sring insrg nisrg isnrg sinrg nsirg snirg rnsig nrsig rsnig srnig nsrig snrig
Note: these 'words' (valid or invalid) are all the permutations of the word girns. These words are obtained by scrambling the letters in girns.