slips lsips silps islps lisps ilsps slpis lspis splis pslis lpsis plsis sipls ispls spils psils ipsls pisls lipss ilpss lpiss pliss iplss pilss slisp lsisp silsp islsp lissp ilssp slsip lssip sslip sslip lssip slsip sislp isslp ssilp ssilp isslp sislp lissp ilssp lsisp slisp islsp silsp slpsi lspsi splsi pslsi lpssi plssi slspi lsspi sslpi sslpi lsspi slspi spsli pssli sspli sspli pssli spsli lpssi plssi lspsi slpsi pslsi splsi sipsl ispsl spisl psisl ipssl pissl sispl isspl ssipl ssipl isspl sispl spsil pssil sspil sspil pssil spsil ipssl pissl ispsl sipsl psisl spisl lipss ilpss lpiss pliss iplss pilss lisps ilsps lsips slips islps silps lpsis plsis lspis slpis pslis splis ipsls pisls ispls sipls psils spils
Note: these 'words' (valid or invalid) are all the permutations of the word slips. These words are obtained by scrambling the letters in slips.