jirds ijrds jrids rjids irjds rijds jidrs ijdrs jdirs djirs idjrs dijrs jrdis rjdis jdris djris rdjis drjis irdjs ridjs idrjs dirjs rdijs drijs jirsd ijrsd jrisd rjisd irjsd rijsd jisrd ijsrd jsird sjird isjrd sijrd jrsid rjsid jsrid sjrid rsjid srjid irsjd risjd isrjd sirjd rsijd srijd jidsr ijdsr jdisr djisr idjsr dijsr jisdr ijsdr jsidr sjidr isjdr sijdr jdsir djsir jsdir sjdir dsjir sdjir idsjr disjr isdjr sidjr dsijr sdijr jrdsi rjdsi jdrsi djrsi rdjsi drjsi jrsdi rjsdi jsrdi sjrdi rsjdi srjdi jdsri djsri jsdri sjdri dsjri sdjri rdsji drsji rsdji srdji dsrji sdrji irdsj ridsj idrsj dirsj rdisj drisj irsdj risdj isrdj sirdj rsidj sridj idsrj disrj isdrj sidrj dsirj sdirj rdsij drsij rsdij srdij dsrij sdrij
Note: these 'words' (valid or invalid) are all the permutations of the word jirds. These words are obtained by scrambling the letters in jirds.