slpab lspab splab pslab lpsab plsab slapb lsapb salpb aslpb laspb alspb spalb psalb saplb asplb paslb apslb lpasb plasb lapsb alpsb palsb aplsb slpba lspba splba pslba lpsba plsba slbpa lsbpa sblpa bslpa lbspa blspa spbla psbla sbpla bspla pbsla bpsla lpbsa plbsa lbpsa blpsa pblsa bplsa slabp lsabp salbp aslbp lasbp alsbp slbap lsbap sblap bslap lbsap blsap sablp asblp sbalp bsalp abslp baslp labsp albsp lbasp blasp ablsp balsp spabl psabl sapbl aspbl pasbl apsbl spbal psbal sbpal bspal pbsal bpsal sabpl asbpl sbapl bsapl abspl baspl pabsl apbsl pbasl bpasl abpsl bapsl lpabs plabs lapbs alpbs palbs aplbs lpbas plbas lbpas blpas pblas bplas labps albps lbaps blaps ablps balps pabls apbls pbals bpals abpls bapls
Note: these 'words' (valid or invalid) are all the permutations of the word slpab. These words are obtained by scrambling the letters in slpab.