tship sthip thsip htsip shtip hstip tsihp stihp tishp itshp sithp isthp thisp htisp tihsp ithsp hitsp ihtsp shitp hsitp sihtp ishtp histp ihstp tshpi sthpi thspi htspi shtpi hstpi tsphi stphi tpshi ptshi spthi psthi thpsi htpsi tphsi pthsi hptsi phtsi shpti hspti sphti pshti hpsti phsti tsiph stiph tisph itsph sitph istph tspih stpih tpsih ptsih sptih pstih tipsh itpsh tpish ptish iptsh pitsh sipth ispth spith psith ipsth pisth thips htips tihps ithps hitps ihtps thpis htpis tphis pthis hptis phtis tiphs itphs tpihs ptihs ipths piths hipts ihpts hpits phits iphts pihts shipt hsipt sihpt ishpt hispt ihspt shpit hspit sphit pshit hpsit phsit sipht ispht spiht psiht ipsht pisht hipst ihpst hpist phist iphst pihst
Note: these 'words' (valid or invalid) are all the permutations of the word tship. These words are obtained by scrambling the letters in tship.