peghs epghs pgehs gpehs egphs gephs pehgs ephgs phegs hpegs ehpgs hepgs pghes gphes phges hpges ghpes hgpes eghps gehps ehgps hegps gheps hgeps pegsh epgsh pgesh gpesh egpsh gepsh pesgh epsgh psegh spegh espgh sepgh pgseh gpseh psgeh spgeh gspeh sgpeh egsph gesph esgph segph gseph sgeph pehsg ephsg phesg hpesg ehpsg hepsg peshg epshg psehg spehg esphg sephg phseg hpseg psheg spheg hspeg shpeg ehspg hespg eshpg sehpg hsepg shepg pghse gphse phgse hpgse ghpse hgpse pgshe gpshe psghe spghe gsphe sgphe phsge hpsge pshge sphge hspge shpge ghspe hgspe gshpe sghpe hsgpe shgpe eghsp gehsp ehgsp hegsp ghesp hgesp egshp geshp esghp seghp gsehp sgehp ehsgp hesgp eshgp sehgp hsegp shegp ghsep hgsep gshep sghep hsgep shgep
Note: these 'words' (valid or invalid) are all the permutations of the word peghs. These words are obtained by scrambling the letters in peghs.