notch ontch ntoch tnoch otnch tonch nocth oncth ncoth cnoth ocnth conth ntcoh tncoh nctoh cntoh tcnoh ctnoh otcnh tocnh octnh cotnh tconh ctonh nothc onthc ntohc tnohc otnhc tonhc nohtc onhtc nhotc hnotc ohntc hontc nthoc tnhoc nhtoc hntoc thnoc htnoc othnc tohnc ohtnc hotnc thonc htonc nocht oncht ncoht cnoht ocnht conht nohct onhct nhoct hnoct ohnct honct nchot cnhot nhcot hncot chnot hcnot ochnt cohnt ohcnt hocnt chont hcont ntcho tncho nctho cntho tcnho ctnho nthco tnhco nhtco hntco thnco htnco nchto cnhto nhcto hncto chnto hcnto tchno cthno thcno htcno chtno hctno otchn tochn octhn cothn tcohn ctohn othcn tohcn ohtcn hotcn thocn htocn ochtn cohtn ohctn hoctn chotn hcotn tchon cthon thcon htcon chton hcton
Note: these 'words' (valid or invalid) are all the permutations of the word notch. These words are obtained by scrambling the letters in notch.