hider ihder hdier dhier idher diher hiedr ihedr heidr ehidr iehdr eihdr hdeir dheir hedir ehdir dehir edhir idehr diehr iedhr eidhr deihr edihr hidre ihdre hdire dhire idhre dihre hirde ihrde hride rhide irhde rihde hdrie dhrie hrdie rhdie drhie rdhie idrhe dirhe irdhe ridhe drihe rdihe hierd iherd heird ehird iehrd eihrd hired ihred hried rhied irhed rihed herid ehrid hreid rheid erhid rehid ierhd eirhd irehd riehd erihd reihd hderi dheri hedri ehdri dehri edhri hdrei dhrei hrdei rhdei drhei rdhei herdi ehrdi hredi rhedi erhdi rehdi derhi edrhi drehi rdehi erdhi redhi iderh dierh iedrh eidrh deirh edirh idreh direh irdeh rideh drieh rdieh ierdh eirdh iredh riedh eridh reidh derih edrih dreih rdeih erdih redih
Note: these 'words' (valid or invalid) are all the permutations of the word hider. These words are obtained by scrambling the letters in hider.