tahrs athrs thars htars ahtrs hatrs tarhs atrhs trahs rtahs arths raths thras htras trhas rthas hrtas rhtas ahrts harts arhts rahts hrats rhats tahsr athsr thasr htasr ahtsr hatsr tashr atshr tsahr stahr asthr sathr thsar htsar tshar sthar hstar shtar ahstr hastr ashtr sahtr hsatr shatr tarsh atrsh trash rtash artsh ratsh tasrh atsrh tsarh starh astrh satrh trsah rtsah tsrah strah rstah srtah arsth rasth asrth sarth rsath srath thrsa htrsa trhsa rthsa hrtsa rhtsa thsra htsra tshra sthra hstra shtra trsha rtsha tsrha strha rstha srtha hrsta rhsta hsrta shrta rshta srhta ahrst harst arhst rahst hrast rhast ahsrt hasrt ashrt sahrt hsart shart arsht rasht asrht sarht rsaht sraht hrsat rhsat hsrat shrat rshat srhat
Note: these 'words' (valid or invalid) are all the permutations of the word tahrs. These words are obtained by scrambling the letters in tahrs.