peter epter pteer tpeer etper teper peetr epetr peetr epetr eeptr eeptr pteer tpeer peter epter teper etper etepr teepr eetpr eetpr teepr etepr petre eptre ptere tpere etpre tepre perte eprte prete rpete erpte repte ptree tpree prtee rptee trpee rtpee etrpe terpe ertpe retpe trepe rtepe peert epert peert epert eeprt eeprt peret epret preet rpeet erpet repet peret epret preet rpeet erpet repet eerpt eerpt erept reept erept reept ptere tpere petre eptre tepre etpre ptree tpree prtee rptee trpee rtpee perte eprte prete rpete erpte repte terpe etrpe trepe rtepe ertpe retpe eterp teerp eetrp eetrp teerp eterp etrep terep ertep retep treep rteep eertp eertp eretp reetp eretp reetp terep etrep treep rteep ertep retep
Note: these 'words' (valid or invalid) are all the permutations of the word peter. These words are obtained by scrambling the letters in peter.