ssoid ssoid sosid ossid sosid ossid ssiod ssiod sisod issod sisod issod soisd osisd siosd isosd oissd iossd soisd osisd siosd isosd oissd iossd ssodi ssodi sosdi ossdi sosdi ossdi ssdoi ssdoi sdsoi dssoi sdsoi dssoi sodsi osdsi sdosi dsosi odssi dossi sodsi osdsi sdosi dsosi odssi dossi ssido ssido sisdo issdo sisdo issdo ssdio ssdio sdsio dssio sdsio dssio sidso isdso sdiso dsiso idsso disso sidso isdso sdiso dsiso idsso disso soids osids siods isods oisds iosds sodis osdis sdois dsois odsis dosis sidos isdos sdios dsios idsos disos oidss iodss odiss doiss idoss dioss soids osids siods isods oisds iosds sodis osdis sdois dsois odsis dosis sidos isdos sdios dsios idsos disos oidss iodss odiss doiss idoss dioss
Note: these 'words' (valid or invalid) are all the permutations of the word ssoid. These words are obtained by scrambling the letters in ssoid.