depth edpth dpeth pdeth epdth pedth detph edtph dteph tdeph etdph tedph dpteh pdteh dtpeh tdpeh ptdeh tpdeh eptdh petdh etpdh tepdh ptedh tpedh depht edpht dpeht pdeht epdht pedht dehpt edhpt dhept hdept ehdpt hedpt dphet pdhet dhpet hdpet phdet hpdet ephdt pehdt ehpdt hepdt phedt hpedt dethp edthp dtehp tdehp etdhp tedhp dehtp edhtp dhetp hdetp ehdtp hedtp dthep tdhep dhtep hdtep thdep htdep ethdp tehdp ehtdp hetdp thedp htedp dpthe pdthe dtphe tdphe ptdhe tpdhe dphte pdhte dhpte hdpte phdte hpdte dthpe tdhpe dhtpe hdtpe thdpe htdpe pthde tphde phtde hptde thpde htpde epthd pethd etphd tephd ptehd tpehd ephtd pehtd ehptd heptd phetd hpetd ethpd tehpd ehtpd hetpd thepd htepd pthed tphed phted hpted thped htped
Note: these 'words' (valid or invalid) are all the permutations of the word depth. These words are obtained by scrambling the letters in depth.