siroc isroc srioc rsioc irsoc risoc siorc isorc soirc osirc iosrc oisrc sroic rsoic soric osric rosic orsic irosc riosc iorsc oirsc roisc orisc sirco isrco srico rsico irsco risco sicro iscro sciro csiro icsro cisro srcio rscio scrio csrio rcsio crsio ircso ricso icrso cirso rciso criso siocr isocr soicr osicr ioscr oiscr sicor iscor scior csior icsor cisor socir oscir scoir csoir ocsir cosir iocsr oicsr icosr ciosr ocisr coisr sroci rsoci sorci osrci rosci orsci srcoi rscoi scroi csroi rcsoi crsoi socri oscri scori csori ocsri cosri rocsi orcsi rcosi crosi ocrsi corsi irocs riocs iorcs oircs roics orics ircos ricos icros ciros rcios crios iocrs oicrs icors ciors ocirs coirs rocis orcis rcois crois ocris coris
Note: these 'words' (valid or invalid) are all the permutations of the word siroc. These words are obtained by scrambling the letters in siroc.