fungo ufngo fnugo nfugo unfgo nufgo fugno ufgno fguno gfuno ugfno gufno fnguo nfguo fgnuo gfnuo ngfuo gnfuo ungfo nugfo ugnfo gunfo ngufo gnufo funog ufnog fnuog nfuog unfog nufog fuong ufong foung ofung uofng oufng fnoug nfoug fonug ofnug nofug onfug unofg nuofg uonfg ounfg noufg onufg fugon ufgon fguon gfuon ugfon gufon fuogn ufogn fougn ofugn uofgn oufgn fgoun gfoun fogun ofgun gofun ogfun ugofn guofn uogfn ougfn goufn ogufn fngou nfgou fgnou gfnou ngfou gnfou fnogu nfogu fongu ofngu nofgu onfgu fgonu gfonu fognu ofgnu gofnu ogfnu ngofu gnofu nogfu ongfu gonfu ognfu ungof nugof ugnof gunof nguof gnuof unogf nuogf uongf oungf nougf onugf ugonf guonf uognf ougnf gounf ogunf ngouf gnouf noguf onguf gonuf ognuf
Note: these 'words' (valid or invalid) are all the permutations of the word fungo. These words are obtained by scrambling the letters in fungo.