slbda lsbda sblda bslda lbsda blsda sldba lsdba sdlba dslba ldsba dlsba sbdla bsdla sdbla dsbla bdsla dbsla lbdsa bldsa ldbsa dlbsa bdlsa dblsa slbad lsbad sblad bslad lbsad blsad slabd lsabd salbd aslbd lasbd alsbd sbald bsald sabld asbld basld absld lbasd blasd labsd albsd balsd ablsd sldab lsdab sdlab dslab ldsab dlsab sladb lsadb saldb asldb lasdb alsdb sdalb dsalb sadlb asdlb daslb adslb ldasb dlasb ladsb aldsb dalsb adlsb sbdal bsdal sdbal dsbal bdsal dbsal sbadl bsadl sabdl asbdl basdl absdl sdabl dsabl sadbl asdbl dasbl adsbl bdasl dbasl badsl abdsl dabsl adbsl lbdas bldas ldbas dlbas bdlas dblas lbads blads labds albds balds ablds ldabs dlabs ladbs aldbs dalbs adlbs bdals dbals badls abdls dabls adbls
Note: these 'words' (valid or invalid) are all the permutations of the word slbda. These words are obtained by scrambling the letters in slbda.