rangs arngs rnags nrags anrgs nargs ragns argns rgans grans agrns garns rngas nrgas rgnas grnas ngras gnras angrs nagrs agnrs ganrs ngars gnars ransg arnsg rnasg nrasg anrsg narsg rasng arsng rsang srang asrng sarng rnsag nrsag rsnag srnag nsrag snrag ansrg nasrg asnrg sanrg nsarg snarg ragsn argsn rgasn grasn agrsn garsn rasgn arsgn rsagn sragn asrgn sargn rgsan grsan rsgan srgan gsran sgran agsrn gasrn asgrn sagrn gsarn sgarn rngsa nrgsa rgnsa grnsa ngrsa gnrsa rnsga nrsga rsnga srnga nsrga snrga rgsna grsna rsgna srgna gsrna sgrna ngsra gnsra nsgra sngra gsnra sgnra angsr nagsr agnsr gansr ngasr gnasr ansgr nasgr asngr sangr nsagr snagr agsnr gasnr asgnr sagnr gsanr sganr ngsar gnsar nsgar sngar gsnar sgnar
Note: these 'words' (valid or invalid) are all the permutations of the word rangs. These words are obtained by scrambling the letters in rangs.