gerah egrah greah rgeah ergah regah gearh egarh gaerh agerh eagrh aegrh graeh rgaeh gareh agreh rageh argeh eragh reagh eargh aergh raegh aregh gerha egrha greha rgeha ergha regha gehra eghra ghera hgera ehgra hegra grhea rghea ghrea hgrea rhgea hrgea erhga rehga ehrga herga rhega hrega geahr egahr gaehr agehr eaghr aeghr gehar eghar ghear hgear ehgar hegar gaher agher ghaer hgaer ahger hager eahgr aehgr ehagr heagr ahegr haegr grahe rgahe garhe agrhe raghe arghe grhae rghae ghrae hgrae rhgae hrgae gahre aghre ghare hgare ahgre hagre rahge arhge rhage hrage ahrge harge erahg reahg earhg aerhg raehg arehg erhag rehag ehrag herag rheag hreag eahrg aehrg eharg hearg aherg haerg raheg arheg rhaeg hraeg ahreg hareg
Note: these 'words' (valid or invalid) are all the permutations of the word gerah. These words are obtained by scrambling the letters in gerah.