dirty idrty drity rdity irdty ridty ditry idtry dtiry tdiry itdry tidry drtiy rdtiy dtriy tdriy rtdiy trdiy irtdy ritdy itrdy tirdy rtidy tridy diryt idryt driyt rdiyt irdyt ridyt diyrt idyrt dyirt ydirt iydrt yidrt dryit rdyit dyrit ydrit rydit yrdit irydt riydt iyrdt yirdt ryidt yridt dityr idtyr dtiyr tdiyr itdyr tidyr diytr idytr dyitr yditr iydtr yidtr dtyir tdyir dytir ydtir tydir ytdir itydr tiydr iytdr yitdr tyidr ytidr drtyi rdtyi dtryi tdryi rtdyi trdyi dryti rdyti dyrti ydrti rydti yrdti dtyri tdyri dytri ydtri tydri ytdri rtydi trydi rytdi yrtdi tyrdi ytrdi irtyd rityd itryd tiryd rtiyd triyd irytd riytd iyrtd yirtd ryitd yritd ityrd tiyrd iytrd yitrd tyird ytird rtyid tryid rytid yrtid tyrid ytrid
Note: these 'words' (valid or invalid) are all the permutations of the word dirty. These words are obtained by scrambling the letters in dirty.