lunts ulnts lnuts nluts unlts nults lutns ultns ltuns tluns utlns tulns lntus nltus ltnus tlnus ntlus tnlus untls nutls utnls tunls ntuls tnuls lunst ulnst lnust nlust unlst nulst lusnt ulsnt lsunt slunt uslnt sulnt lnsut nlsut lsnut slnut nslut snlut unslt nuslt usnlt sunlt nsult snult lutsn ultsn ltusn tlusn utlsn tulsn lustn ulstn lsutn slutn usltn sultn ltsun tlsun lstun sltun tslun stlun utsln tusln ustln sutln tsuln stuln lntsu nltsu ltnsu tlnsu ntlsu tnlsu lnstu nlstu lsntu slntu nsltu snltu ltsnu tlsnu lstnu sltnu tslnu stlnu ntslu tnslu nstlu sntlu tsnlu stnlu untsl nutsl utnsl tunsl ntusl tnusl unstl nustl usntl suntl nsutl snutl utsnl tusnl ustnl sutnl tsunl stunl ntsul tnsul nstul sntul tsnul stnul
Note: these 'words' (valid or invalid) are all the permutations of the word lunts. These words are obtained by scrambling the letters in lunts.