lhsoc hlsoc lshoc slhoc hsloc shloc lhosc hlosc lohsc olhsc holsc ohlsc lsohc slohc loshc olshc solhc oslhc hsolc sholc hoslc ohslc sohlc oshlc lhsco hlsco lshco slhco hslco shlco lhcso hlcso lchso clhso hclso chlso lscho slcho lcsho clsho sclho cslho hsclo shclo hcslo chslo schlo cshlo lhocs hlocs lohcs olhcs holcs ohlcs lhcos hlcos lchos clhos hclos chlos lochs olchs lcohs clohs oclhs colhs hocls ohcls hcols chols ochls cohls lsoch sloch losch olsch solch oslch lscoh slcoh lcsoh clsoh scloh csloh locsh olcsh lcosh closh oclsh colsh soclh osclh scolh csolh ocslh coslh hsocl shocl hoscl ohscl sohcl oshcl hscol shcol hcsol chsol schol cshol hocsl ohcsl hcosl chosl ochsl cohsl sochl oschl scohl csohl ocshl coshl
Note: these 'words' (valid or invalid) are all the permutations of the word lhsoc. These words are obtained by scrambling the letters in lhsoc.