sanpd asnpd snapd nsapd anspd naspd sapnd aspnd spand psand apsnd pasnd snpad nspad spnad psnad npsad pnsad anpsd napsd apnsd pansd npasd pnasd sandp asndp snadp nsadp ansdp nasdp sadnp asdnp sdanp dsanp adsnp dasnp sndap nsdap sdnap dsnap ndsap dnsap andsp nadsp adnsp dansp ndasp dnasp sapdn aspdn spadn psadn apsdn pasdn sadpn asdpn sdapn dsapn adspn daspn spdan psdan sdpan dspan pdsan dpsan apdsn padsn adpsn dapsn pdasn dpasn snpda nspda spnda psnda npsda pnsda sndpa nsdpa sdnpa dsnpa ndspa dnspa spdna psdna sdpna dspna pdsna dpsna npdsa pndsa ndpsa dnpsa pdnsa dpnsa anpds napds apnds pands npads pnads andps nadps adnps danps ndaps dnaps apdns padns adpns dapns pdans dpans npdas pndas ndpas dnpas pdnas dpnas
Note: these 'words' (valid or invalid) are all the permutations of the word sanpd. These words are obtained by scrambling the letters in sanpd.