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