polis oplis plois lpois olpis lopis poils opils piols ipols oipls iopls plios lpios pilos iplos lipos ilpos olips loips oilps iolps liops ilops polsi oplsi plosi lposi olpsi lopsi posli opsli psoli spoli ospli sopli plsoi lpsoi psloi sploi lspoi slpoi olspi lospi oslpi solpi lsopi slopi poisl opisl piosl iposl oipsl iopsl posil opsil psoil spoil ospil sopil pisol ipsol psiol spiol ispol sipol oispl iospl osipl soipl isopl siopl pliso lpiso pilso iplso lipso ilpso plsio lpsio pslio splio lspio slpio pislo ipslo psilo spilo isplo siplo lispo ilspo lsipo slipo islpo silpo olisp loisp oilsp iolsp liosp ilosp olsip losip oslip solip lsoip sloip oislp ioslp osilp soilp isolp siolp lisop ilsop lsiop sliop islop silop
Note: these 'words' (valid or invalid) are all the permutations of the word polis. These words are obtained by scrambling the letters in polis.