spail psail sapil aspil pasil apsil spial psial sipal ispal pisal ipsal saipl asipl siapl isapl aispl iaspl paisl apisl piasl ipasl aipsl iapsl spali psali sapli aspli pasli apsli splai pslai slpai lspai plsai lpsai salpi aslpi slapi lsapi alspi laspi palsi aplsi plasi lpasi alpsi lapsi spila psila sipla ispla pisla ipsla splia pslia slpia lspia plsia lpsia silpa islpa slipa lsipa ilspa lispa pilsa iplsa plisa lpisa ilpsa lipsa sailp asilp sialp isalp aislp iaslp salip aslip slaip lsaip alsip lasip silap islap sliap lsiap ilsap lisap ailsp ialsp alisp laisp ilasp liasp pails apils pials ipals aipls iapls palis aplis plais lpais alpis lapis pilas iplas plias lpias ilpas lipas ailps ialps alips laips ilaps liaps
Note: these 'words' (valid or invalid) are all the permutations of the word spail. These words are obtained by scrambling the letters in spail.