ships hsips sihps ishps hisps ihsps shpis hspis sphis pshis hpsis phsis siphs isphs spihs psihs ipshs pishs hipss ihpss hpiss phiss iphss pihss shisp hsisp sihsp ishsp hissp ihssp shsip hssip sship sship hssip shsip sishp isshp ssihp ssihp isshp sishp hissp ihssp hsisp shisp ishsp sihsp shpsi hspsi sphsi pshsi hpssi phssi shspi hsspi sshpi sshpi hsspi shspi spshi psshi ssphi ssphi psshi spshi hpssi phssi hspsi shpsi pshsi sphsi sipsh ispsh spish psish ipssh pissh sisph issph ssiph ssiph issph sisph spsih pssih sspih sspih pssih spsih ipssh pissh ispsh sipsh psish spish hipss ihpss hpiss phiss iphss pihss hisps ihsps hsips ships ishps sihps hpsis phsis hspis shpis pshis sphis ipshs pishs isphs siphs psihs spihs
Note: these 'words' (valid or invalid) are all the permutations of the word ships. These words are obtained by scrambling the letters in ships.