ecesd ceesd eecsd eecsd ceesd ecesd ecsed cesed esced seced cseed sceed eescd eescd esecd seecd esecd seecd cesed ecsed cseed sceed esced seced eceds ceeds eecds eecds ceeds eceds ecdes cedes edces deces cdees dcees eedcs eedcs edecs deecs edecs deecs cedes ecdes cdees dcees edces deces ecsde cesde escde secde csede scede ecdse cedse edcse decse cdese dcese esdce sedce edsce desce sdece dsece csdee scdee cdsee dcsee sdcee dscee eesdc eesdc esedc seedc esedc seedc eedsc eedsc edesc deesc edesc deesc esdec sedec edsec desec sdeec dseec esdec sedec edsec desec sdeec dseec cesde ecsde csede scede escde secde cedse ecdse cdese dcese edcse decse csdee scdee cdsee dcsee sdcee dscee esdce sedce edsce desce sdece dsece
Note: these 'words' (valid or invalid) are all the permutations of the word ecesd. These words are obtained by scrambling the letters in ecesd.