quays uqays qauys aquys uaqys auqys quyas uqyas qyuas yquas uyqas yuqas qayus aqyus qyaus yqaus ayqus yaqus uayqs auyqs uyaqs yuaqs ayuqs yauqs quasy uqasy qausy aqusy uaqsy auqsy qusay uqsay qsuay squay usqay suqay qasuy aqsuy qsauy sqauy asquy saquy uasqy ausqy usaqy suaqy asuqy sauqy quysa uqysa qyusa yqusa uyqsa yuqsa qusya uqsya qsuya squya usqya suqya qysua yqsua qsyua sqyua ysqua syqua uysqa yusqa usyqa suyqa ysuqa syuqa qaysu aqysu qyasu yqasu ayqsu yaqsu qasyu aqsyu qsayu sqayu asqyu saqyu qysau yqsau qsyau sqyau ysqau syqau aysqu yasqu asyqu sayqu ysaqu syaqu uaysq auysq uyasq yuasq ayusq yausq uasyq ausyq usayq suayq asuyq sauyq uysaq yusaq usyaq suyaq ysuaq syuaq aysuq yasuq asyuq sayuq ysauq syauq
Note: these 'words' (valid or invalid) are all the permutations of the word quays. These words are obtained by scrambling the letters in quays.