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