cants acnts cnats ncats ancts nacts catns actns ctans tcans atcns tacns cntas nctas ctnas tcnas ntcas tncas antcs natcs atncs tancs ntacs tnacs canst acnst cnast ncast ancst nacst casnt acsnt csant scant ascnt sacnt cnsat ncsat csnat scnat nscat sncat ansct nasct asnct sanct nsact snact catsn actsn ctasn tcasn atcsn tacsn castn acstn csatn scatn asctn sactn ctsan tcsan cstan sctan tscan stcan atscn tascn astcn satcn tsacn stacn cntsa nctsa ctnsa tcnsa ntcsa tncsa cnsta ncsta csnta scnta nscta sncta ctsna tcsna cstna sctna tscna stcna ntsca tnsca nstca sntca tsnca stnca antsc natsc atnsc tansc ntasc tnasc anstc nastc asntc santc nsatc snatc atsnc tasnc astnc satnc tsanc stanc ntsac tnsac nstac sntac tsnac stnac
Note: these 'words' (valid or invalid) are all the permutations of the word cants. These words are obtained by scrambling the letters in cants.