enter neter etner tener nteer tneer enetr neetr eentr eentr neetr enetr etenr teenr eetnr eetnr teenr etenr nteer tneer neter enter tener etner entre netre etnre tenre ntere tnere enrte nerte ernte rente nrete rnete etrne terne ertne retne trene rtene ntree tnree nrtee rntee trnee rtnee enert neert eenrt eenrt neert enert enret neret ernet renet nreet rneet eernt eernt erent reent erent reent neret enret nreet rneet ernet renet etern teern eetrn eetrn teern etern etren teren erten reten treen rteen eertn eertn eretn reetn eretn reetn teren etren treen rteen erten reten ntere tnere netre entre tenre etnre ntree tnree nrtee rntee trnee rtnee nerte enrte nrete rnete ernte rente terne etrne trene rtene ertne retne
Note: these 'words' (valid or invalid) are all the permutations of the word enter. These words are obtained by scrambling the letters in enter.