crees rcees ceres ecres reces erces crees rcees ceres ecres reces erces ceers ecers ceers ecers eecrs eecrs reecs erecs reecs erecs eercs eercs crese rcese cerse ecrse recse ercse crsee rcsee csree scree rscee srcee cesre ecsre csere scere escre secre resce ersce rsece srece esrce serce crese rcese cerse ecrse recse ercse crsee rcsee csree scree rscee srcee cesre ecsre csere scere escre secre resce ersce rsece srece esrce serce ceesr ecesr ceesr ecesr eecsr eecsr ceser ecser cseer sceer escer secer ceser ecser cseer sceer escer secer eescr eescr esecr seecr esecr seecr reesc eresc reesc eresc eersc eersc resec ersec rseec sreec esrec serec resec ersec rseec sreec esrec serec eesrc eesrc eserc seerc eserc seerc
Note: these 'words' (valid or invalid) are all the permutations of the word crees. These words are obtained by scrambling the letters in crees.