waldo awldo wlado lwado alwdo lawdo wadlo awdlo wdalo dwalo adwlo dawlo wldao lwdao wdlao dwlao ldwao dlwao aldwo ladwo adlwo dalwo ldawo dlawo walod awlod wlaod lwaod alwod lawod waold awold woald owald aowld oawld wload lwoad wolad owlad lowad olwad alowd laowd aolwd oalwd loawd olawd wadol awdol wdaol dwaol adwol dawol waodl awodl woadl owadl aowdl oawdl wdoal dwoal wodal owdal dowal odwal adowl daowl aodwl oadwl doawl odawl wldoa lwdoa wdloa dwloa ldwoa dlwoa wloda lwoda wolda owlda lowda olwda wdola dwola wodla owdla dowla odwla ldowa dlowa lodwa oldwa dolwa odlwa aldow ladow adlow dalow ldaow dlaow alodw laodw aoldw oaldw loadw oladw adolw daolw aodlw oadlw doalw odalw ldoaw dloaw lodaw oldaw dolaw odlaw
Note: these 'words' (valid or invalid) are all the permutations of the word waldo. These words are obtained by scrambling the letters in waldo.