nfltis fnltis nlftis lnftis flntis lfntis nftlis fntlis ntflis tnflis ftnlis tfnlis nltfis lntfis ntlfis tnlfis ltnfis tlnfis fltnis lftnis ftlnis tflnis ltfnis tlfnis nflits fnlits nlfits lnfits flnits lfnits nfilts fnilts niflts inflts finlts ifnlts nlifts lnifts nilfts inlfts linfts ilnfts flints lfints filnts iflnts lifnts ilfnts nftils fntils ntfils tnfils ftnils tfnils nfitls fnitls niftls inftls fintls ifntls ntifls tnifls nitfls intfls tinfls itnfls ftinls tfinls fitnls iftnls tifnls itfnls nltifs lntifs ntlifs tnlifs ltnifs tlnifs nlitfs lnitfs niltfs inltfs lintfs ilntfs ntilfs tnilfs nitlfs intlfs tinlfs itnlfs ltinfs tlinfs litnfs iltnfs tilnfs itlnfs fltins lftins ftlins tflins ltfins tlfins flitns lfitns filtns ifltns liftns ilftns ftilns tfilns fitlns iftlns tiflns itflns ltifns tlifns litfns iltfns tilfns itlfns nfltsi fnltsi nlftsi lnftsi flntsi lfntsi nftlsi fntlsi ntflsi tnflsi ftnlsi tfnlsi nltfsi lntfsi ntlfsi tnlfsi ltnfsi tlnfsi fltnsi lftnsi ftlnsi tflnsi ltfnsi tlfnsi nflsti fnlsti nlfsti lnfsti flnsti lfnsti nfslti fnslti nsflti snflti fsnlti sfnlti nlsfti lnsfti nslfti snlfti lsnfti slnfti flsnti lfsnti fslnti sflnti lsfnti slfnti nftsli fntsli ntfsli tnfsli ftnsli tfnsli nfstli fnstli nsftli snftli fsntli sfntli ntsfli tnsfli nstfli sntfli tsnfli stnfli ftsnli tfsnli fstnli sftnli tsfnli stfnli nltsfi lntsfi ntlsfi tnlsfi ltnsfi tlnsfi nlstfi lnstfi nsltfi snltfi lsntfi slntfi ntslfi tnslfi nstlfi sntlfi tsnlfi stnlfi ltsnfi tlsnfi lstnfi sltnfi tslnfi stlnfi fltsni lftsni ftlsni tflsni ltfsni tlfsni flstni lfstni fsltni sfltni lsftni slftni ftslni tfslni fstlni sftlni tsflni stflni ltsfni tlsfni lstfni sltfni tslfni stlfni nflist fnlist nlfist lnfist flnist lfnist nfilst fnilst niflst inflst finlst ifnlst nlifst lnifst nilfst inlfst linfst ilnfst flinst lfinst filnst iflnst lifnst ilfnst nflsit fnlsit nlfsit lnfsit flnsit lfnsit nfslit fnslit nsflit snflit fsnlit sfnlit nlsfit lnsfit nslfit snlfit lsnfit slnfit flsnit lfsnit fslnit sflnit lsfnit slfnit nfislt fnislt nifslt infslt finslt ifnslt nfsilt fnsilt nsfilt snfilt fsnilt sfnilt nisflt insflt nsiflt sniflt isnflt sinflt fisnlt ifsnlt fsinlt sfinlt isfnlt sifnlt nlisft lnisft nilsft inlsft linsft ilnsft nlsift lnsift nslift snlift lsnift slnift nislft inslft nsilft snilft isnlft sinlft lisnft ilsnft lsinft slinft islnft silnft flisnt lfisnt filsnt iflsnt lifsnt ilfsnt flsint lfsint fslint sflint lsfint slfint fislnt ifslnt fsilnt sfilnt isflnt siflnt lisfnt ilsfnt lsifnt slifnt islfnt silfnt nftisl fntisl ntfisl tnfisl ftnisl tfnisl nfitsl fnitsl niftsl inftsl fintsl ifntsl ntifsl tnifsl nitfsl intfsl tinfsl itnfsl ftinsl tfinsl fitnsl iftnsl tifnsl itfnsl nftsil fntsil ntfsil tnfsil ftnsil tfnsil nfstil fnstil nsftil snftil fsntil sfntil ntsfil tnsfil nstfil sntfil tsnfil stnfil ftsnil tfsnil fstnil sftnil tsfnil stfnil nfistl fnistl nifstl infstl finstl ifnstl nfsitl fnsitl nsfitl snfitl fsnitl sfnitl nisftl insftl nsiftl sniftl isnftl sinftl fisntl ifsntl fsintl sfintl isfntl sifntl ntisfl tnisfl nitsfl intsfl tinsfl itnsfl ntsifl tnsifl nstifl sntifl tsnifl stnifl nistfl instfl nsitfl snitfl isntfl sintfl tisnfl itsnfl tsinfl stinfl istnfl sitnfl ftisnl tfisnl fitsnl iftsnl tifsnl itfsnl ftsinl tfsinl fstinl sftinl tsfinl stfinl fistnl ifstnl fsitnl sfitnl isftnl siftnl tisfnl itsfnl tsifnl stifnl istfnl sitfnl nltisf lntisf ntlisf tnlisf ltnisf tlnisf nlitsf lnitsf niltsf inltsf lintsf ilntsf ntilsf tnilsf nitlsf intlsf tinlsf itnlsf ltinsf tlinsf litnsf iltnsf tilnsf itlnsf nltsif lntsif ntlsif tnlsif ltnsif tlnsif nlstif lnstif nsltif snltif lsntif slntif ntslif tnslif nstlif sntlif tsnlif stnlif ltsnif tlsnif lstnif sltnif tslnif stlnif nlistf lnistf nilstf inlstf linstf ilnstf nlsitf lnsitf nslitf snlitf lsnitf slnitf nisltf insltf nsiltf sniltf isnltf sinltf lisntf ilsntf lsintf slintf islntf silntf ntislf tnislf nitslf intslf tinslf itnslf ntsilf tnsilf nstilf sntilf tsnilf stnilf nistlf instlf nsitlf snitlf isntlf sintlf tisnlf itsnlf tsinlf stinlf istnlf sitnlf ltisnf tlisnf litsnf iltsnf tilsnf itlsnf ltsinf tlsinf lstinf sltinf tslinf stlinf listnf ilstnf lsitnf slitnf isltnf siltnf tislnf itslnf tsilnf stilnf istlnf sitlnf fltisn lftisn ftlisn tflisn ltfisn tlfisn flitsn lfitsn filtsn ifltsn liftsn ilftsn ftilsn tfilsn fitlsn iftlsn tiflsn itflsn ltifsn tlifsn litfsn iltfsn tilfsn itlfsn fltsin lftsin ftlsin tflsin ltfsin tlfsin flstin lfstin fsltin sfltin lsftin slftin ftslin tfslin fstlin sftlin tsflin stflin ltsfin tlsfin lstfin sltfin tslfin stlfin flistn lfistn filstn iflstn lifstn ilfstn flsitn lfsitn fslitn sflitn lsfitn slfitn fisltn ifsltn fsiltn sfiltn isfltn sifltn lisftn ilsftn lsiftn sliftn islftn silftn ftisln tfisln fitsln iftsln tifsln itfsln ftsiln tfsiln fstiln sftiln tsfiln stfiln fistln ifstln fsitln sfitln isftln siftln tisfln itsfln tsifln stifln istfln sitfln ltisfn tlisfn litsfn iltsfn tilsfn itlsfn ltsifn tlsifn lstifn sltifn tslifn stlifn listfn ilstfn lsitfn slitfn isltfn siltfn tislfn itslfn tsilfn stilfn istlfn sitlfn
Note: these 'words' (valid or invalid) are all the permutations of the word nfltis. These words are obtained by scrambling the letters in nfltis.