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