blist lbist bilst iblst libst ilbst blsit lbsit bslit sblit lsbit slbit bislt ibslt bsilt sbilt isblt siblt lisbt ilsbt lsibt slibt islbt silbt blits lbits bilts iblts libts ilbts bltis lbtis btlis tblis ltbis tlbis bitls ibtls btils tbils itbls tibls litbs iltbs ltibs tlibs itlbs tilbs blsti lbsti bslti sblti lsbti slbti bltsi lbtsi btlsi tblsi ltbsi tlbsi bstli sbtli btsli tbsli stbli tsbli lstbi sltbi ltsbi tlsbi stlbi tslbi bistl ibstl bsitl sbitl isbtl sibtl bitsl ibtsl btisl tbisl itbsl tibsl bstil sbtil btsil tbsil stbil tsbil istbl sitbl itsbl tisbl stibl tsibl listb ilstb lsitb slitb isltb siltb litsb iltsb ltisb tlisb itlsb tilsb lstib sltib ltsib tlsib stlib tslib istlb sitlb itslb tislb stilb tsilb
Note: these 'words' (valid or invalid) are all the permutations of the word blist. These words are obtained by scrambling the letters in blist.