navel anvel nvael vnael avnel vanel naevl anevl neavl enavl aenvl eanvl nveal vneal neval enval venal evnal avenl vaenl aevnl eavnl veanl evanl navle anvle nvale vnale avnle vanle nalve anlve nlave lnave alnve lanve nvlae vnlae nlvae lnvae vlnae lvnae avlne valne alvne lavne vlane lvane naelv anelv nealv enalv aenlv eanlv nalev anlev nlaev lnaev alnev lanev nelav enlav nleav lneav elnav lenav aelnv ealnv alenv laenv elanv leanv nvela vnela nevla envla venla evnla nvlea vnlea nlvea lnvea vlnea lvnea nelva enlva nleva lneva elnva lenva velna evlna vlena lvena elvna levna aveln vaeln aevln eavln vealn evaln avlen valen alven laven vlaen lvaen aelvn ealvn alevn laevn elavn leavn velan evlan vlean lvean elvan levan
Note: these 'words' (valid or invalid) are all the permutations of the word navel. These words are obtained by scrambling the letters in navel.