sctbi cstbi stcbi tscbi ctsbi tcsbi scbti csbti sbcti bscti cbsti bcsti stbci tsbci sbtci bstci tbsci btsci ctbsi tcbsi cbtsi bctsi tbcsi btcsi sctib cstib stcib tscib ctsib tcsib scitb csitb sictb isctb cistb icstb sticb tsicb sitcb istcb tiscb itscb ctisb tcisb citsb ictsb ticsb itcsb scbit csbit sbcit bscit cbsit bcsit scibt csibt sicbt iscbt cisbt icsbt sbict bsict sibct isbct bisct ibsct cbist bcist cibst icbst bicst ibcst stbic tsbic sbtic bstic tbsic btsic stibc tsibc sitbc istbc tisbc itsbc sbitc bsitc sibtc isbtc bistc ibstc tbisc btisc tibsc itbsc bitsc ibtsc ctbis tcbis cbtis bctis tbcis btcis ctibs tcibs citbs ictbs ticbs itcbs cbits bcits cibts icbts bicts ibcts tbics btics tibcs itbcs bitcs ibtcs
Note: these 'words' (valid or invalid) are all the permutations of the word sctbi. These words are obtained by scrambling the letters in sctbi.