trogs rtogs torgs otrgs rotgs ortgs trgos rtgos tgros gtros rgtos grtos togrs otgrs tgors gtors ogtrs gotrs rogts orgts rgots grots ogrts gorts trosg rtosg torsg otrsg rotsg ortsg trsog rtsog tsrog strog rstog srtog tosrg otsrg tsorg storg ostrg sotrg rostg orstg rsotg srotg osrtg sortg trgso rtgso tgrso gtrso rgtso grtso trsgo rtsgo tsrgo strgo rstgo srtgo tgsro gtsro tsgro stgro gstro sgtro rgsto grsto rsgto srgto gsrto sgrto togsr otgsr tgosr gtosr ogtsr gotsr tosgr otsgr tsogr stogr ostgr sotgr tgsor gtsor tsgor stgor gstor sgtor ogstr gostr osgtr sogtr gsotr sgotr rogst orgst rgost grost ogrst gorst rosgt orsgt rsogt srogt osrgt sorgt rgsot grsot rsgot srgot gsrot sgrot ogsrt gosrt osgrt sogrt gsort sgort
Note: these 'words' (valid or invalid) are all the permutations of the word trogs. These words are obtained by scrambling the letters in trogs.