roocs orocs roocs orocs oorcs oorcs rocos orcos rcoos croos ocros coros rocos orcos rcoos croos ocros coros oocrs oocrs ocors coors ocors coors roosc orosc roosc orosc oorsc oorsc rosoc orsoc rsooc srooc osroc soroc rosoc orsoc rsooc srooc osroc soroc oosrc oosrc osorc soorc osorc soorc rocso orcso rcoso croso ocrso corso rosco orsco rsoco sroco osrco sorco rcsoo crsoo rscoo srcoo csroo scroo ocsro cosro oscro socro csoro scoro rocso orcso rcoso croso ocrso corso rosco orsco rsoco sroco osrco sorco rcsoo crsoo rscoo srcoo csroo scroo ocsro cosro oscro socro csoro scoro oocsr oocsr ocosr coosr ocosr coosr ooscr ooscr osocr soocr osocr soocr ocsor cosor oscor socor csoor scoor ocsor cosor oscor socor csoor scoor
Note: these 'words' (valid or invalid) are all the permutations of the word roocs. These words are obtained by scrambling the letters in roocs.