wisht iwsht wsiht swiht iswht siwht wihst iwhst whist hwist ihwst hiwst wshit swhit whsit hwsit shwit hswit ishwt sihwt ihswt hiswt shiwt hsiwt wisth iwsth wsith swith iswth siwth witsh iwtsh wtish twish itwsh tiwsh wstih swtih wtsih twsih stwih tswih istwh sitwh itswh tiswh stiwh tsiwh wihts iwhts whits hwits ihwts hiwts withs iwths wtihs twihs itwhs tiwhs whtis hwtis wthis twhis htwis thwis ihtws hitws ithws tihws htiws thiws wshti swhti whsti hwsti shwti hswti wsthi swthi wtshi twshi stwhi tswhi whtsi hwtsi wthsi twhsi htwsi thwsi shtwi hstwi sthwi tshwi htswi thswi ishtw sihtw ihstw histw shitw hsitw isthw sithw itshw tishw stihw tsihw ihtsw hitsw ithsw tihsw htisw thisw shtiw hstiw sthiw tshiw htsiw thsiw
Note: these 'words' (valid or invalid) are all the permutations of the word wisht. These words are obtained by scrambling the letters in wisht.