drent rdent dernt edrnt rednt erdnt drnet rdnet dnret ndret rndet nrdet denrt ednrt dnert ndert endrt nedrt rendt erndt rnedt nredt enrdt nerdt dretn rdetn dertn edrtn redtn erdtn drten rdten dtren tdren rtden trden detrn edtrn dtern tdern etdrn tedrn retdn ertdn rtedn tredn etrdn terdn drnte rdnte dnrte ndrte rndte nrdte drtne rdtne dtrne tdrne rtdne trdne dntre ndtre dtnre tdnre ntdre tndre rntde nrtde rtnde trnde ntrde tnrde dentr edntr dnetr ndetr endtr nedtr detnr edtnr dtenr tdenr etdnr tednr dnter ndter dtner tdner ntder tnder entdr netdr etndr tendr ntedr tnedr rentd erntd rnetd nretd enrtd nertd retnd ertnd rtend trend etrnd ternd rnted nrted rtned trned ntred tnred entrd netrd etnrd tenrd nterd tnerd
Note: these 'words' (valid or invalid) are all the permutations of the word drent. These words are obtained by scrambling the letters in drent.