queue uqeue qeuue equue ueque euque quuee uquee quuee uquee uuqee uuqee qeuue equue queue uqeue euque ueque ueuqe euuqe uueqe uueqe euuqe ueuqe queeu uqeeu qeueu equeu ueqeu euqeu queeu uqeeu qeueu equeu ueqeu euqeu qeeuu eqeuu qeeuu eqeuu eequu eequu ueequ euequ ueequ euequ eeuqu eeuqu quuee uquee quuee uquee uuqee uuqee queue uqeue qeuue equue ueque euque queue uqeue qeuue equue ueque euque uueqe uueqe ueuqe euuqe ueuqe euuqe qeueu equeu queeu uqeeu euqeu ueqeu qeeuu eqeuu qeeuu eqeuu eequu eequu queeu uqeeu qeueu equeu ueqeu euqeu euequ ueequ eeuqu eeuqu ueequ euequ ueueq euueq uueeq uueeq euueq ueueq ueeuq eueuq ueeuq eueuq eeuuq eeuuq uueeq uueeq ueueq euueq ueueq euueq eueuq ueeuq eeuuq eeuuq ueeuq eueuq
Note: these 'words' (valid or invalid) are all the permutations of the word queue. These words are obtained by scrambling the letters in queue.