shoit hsoit sohit oshit hosit ohsit shiot hsiot sihot ishot hisot ihsot soiht osiht sioht isoht oisht iosht hoist ohist hiost ihost oihst iohst shoti hsoti sohti oshti hosti ohsti shtoi hstoi sthoi tshoi htsoi thsoi sothi osthi stohi tsohi otshi toshi hotsi ohtsi htosi thosi othsi tohsi shito hsito sihto ishto histo ihsto shtio hstio sthio tshio htsio thsio sitho istho stiho tsiho itsho tisho hitso ihtso htiso thiso ithso tihso soith osith sioth isoth oisth iosth sotih ostih stoih tsoih otsih tosih sitoh istoh stioh tsioh itsoh tisoh oitsh iotsh otish toish itosh tiosh hoits ohits hiots ihots oihts iohts hotis ohtis htois thois othis tohis hitos ihtos htios thios ithos tihos oiths ioths otihs toihs itohs tiohs
Note: these 'words' (valid or invalid) are all the permutations of the word shoit. These words are obtained by scrambling the letters in shoit.