sakes askes skaes ksaes akses kases saeks aseks seaks esaks aesks easks skeas kseas sekas eskas kesas eksas akess kaess aekss eakss keass ekass sakse askse skase ksase aksse kasse saske asske ssake ssake asske saske sksae kssae sskae sskae kssae sksae aksse kasse askse sakse ksase skase saesk asesk seask esask aessk eassk sasek assek ssaek ssaek assek sasek sesak essak sseak sseak essak sesak aessk eassk asesk saesk esask seask skesa ksesa seksa esksa kessa ekssa sksea kssea sskea sskea kssea sksea seska esska sseka sseka esska seska kessa ekssa ksesa skesa esksa seksa akess kaess aekss eakss keass ekass akses kases askes sakes ksaes skaes aesks easks aseks saeks esaks seaks kesas eksas kseas skeas eskas sekas
Note: these 'words' (valid or invalid) are all the permutations of the word sakes. These words are obtained by scrambling the letters in sakes.