sikes iskes skies ksies ikses kises sieks iseks seiks esiks iesks eisks skeis kseis sekis eskis kesis eksis ikess kiess iekss eikss keiss ekiss sikse iskse skise ksise iksse kisse siske isske ssike ssike isske siske sksie kssie sskie sskie kssie sksie iksse kisse iskse sikse ksise skise siesk isesk seisk esisk iessk eissk sisek issek ssiek ssiek issek sisek sesik essik sseik sseik essik sesik iessk eissk isesk siesk esisk seisk skesi ksesi seksi esksi kessi ekssi sksei kssei sskei sskei kssei sksei seski esski sseki sseki esski seski kessi ekssi ksesi skesi esksi seksi ikess kiess iekss eikss keiss ekiss ikses kises iskes sikes ksies skies iesks eisks iseks sieks esiks seiks kesis eksis kseis skeis eskis sekis
Note: these 'words' (valid or invalid) are all the permutations of the word sikes. These words are obtained by scrambling the letters in sikes.