kings ikngs knigs nkigs inkgs nikgs kigns ikgns kgins gkins igkns gikns kngis nkgis kgnis gknis ngkis gnkis ingks nigks ignks ginks ngiks gniks kinsg iknsg knisg nkisg inksg niksg kisng iksng ksing sking iskng sikng knsig nksig ksnig sknig nskig snkig inskg niskg isnkg sinkg nsikg snikg kigsn ikgsn kgisn gkisn igksn giksn kisgn iksgn ksign skign iskgn sikgn kgsin gksin ksgin skgin gskin sgkin igskn giskn isgkn sigkn gsikn sgikn kngsi nkgsi kgnsi gknsi ngksi gnksi knsgi nksgi ksngi skngi nskgi snkgi kgsni gksni ksgni skgni gskni sgkni ngski gnski nsgki sngki gsnki sgnki ingsk nigsk ignsk ginsk ngisk gnisk insgk nisgk isngk singk nsigk snigk igsnk gisnk isgnk signk gsink sgink ngsik gnsik nsgik sngik gsnik sgnik
Note: these 'words' (valid or invalid) are all the permutations of the word kings. These words are obtained by scrambling the letters in kings.