spard psard saprd asprd pasrd apsrd sprad psrad srpad rspad prsad rpsad sarpd asrpd srapd rsapd arspd raspd parsd aprsd prasd rpasd arpsd rapsd spadr psadr sapdr aspdr pasdr apsdr spdar psdar sdpar dspar pdsar dpsar sadpr asdpr sdapr dsapr adspr daspr padsr apdsr pdasr dpasr adpsr dapsr sprda psrda srpda rspda prsda rpsda spdra psdra sdpra dspra pdsra dpsra srdpa rsdpa sdrpa dsrpa rdspa drspa prdsa rpdsa pdrsa dprsa rdpsa drpsa sardp asrdp sradp rsadp arsdp rasdp sadrp asdrp sdarp dsarp adsrp dasrp srdap rsdap sdrap dsrap rdsap drsap ardsp radsp adrsp darsp rdasp drasp pards aprds prads rpads arpds rapds padrs apdrs pdars dpars adprs daprs prdas rpdas pdras dpras rdpas drpas ardps radps adrps darps rdaps draps
Note: these 'words' (valid or invalid) are all the permutations of the word spard. These words are obtained by scrambling the letters in spard.