rathe arthe rtahe trahe atrhe tarhe rahte arhte rhate hrate ahrte harte rthae trhae rhtae hrtae thrae htrae athre tahre ahtre hatre thare htare rateh arteh rtaeh traeh atreh tareh raeth areth reath erath aerth earth rteah treah retah ertah terah etrah aterh taerh aetrh eatrh tearh etarh rahet arhet rhaet hraet ahret haret raeht areht reaht eraht aerht earht rheat hreat rehat erhat herat ehrat ahert haert aehrt eahrt heart ehart rthea trhea rhtea hrtea threa htrea rteha treha retha ertha terha etrha rheta hreta rehta erhta herta ehrta thera htera tehra ethra hetra ehtra ather taher ahter hater thaer htaer atehr taehr aethr eathr teahr etahr ahetr haetr aehtr eahtr heatr ehatr thear htear tehar ethar hetar ehtar
Note: these 'words' (valid or invalid) are all the permutations of the word rathe. These words are obtained by scrambling the letters in rathe.