wrung rwung wurng uwrng ruwng urwng wrnug rwnug wnrug nwrug rnwug nrwug wunrg uwnrg wnurg nwurg unwrg nuwrg runwg urnwg rnuwg nruwg unrwg nurwg wrugn rwugn wurgn uwrgn ruwgn urwgn wrgun rwgun wgrun gwrun rgwun grwun wugrn uwgrn wgurn gwurn ugwrn guwrn rugwn urgwn rguwn gruwn ugrwn gurwn wrngu rwngu wnrgu nwrgu rnwgu nrwgu wrgnu rwgnu wgrnu gwrnu rgwnu grwnu wngru nwgru wgnru gwnru ngwru gnwru rngwu nrgwu rgnwu grnwu ngrwu gnrwu wungr uwngr wnugr nwugr unwgr nuwgr wugnr uwgnr wgunr gwunr ugwnr guwnr wngur nwgur wgnur gwnur ngwur gnwur ungwr nugwr ugnwr gunwr nguwr gnuwr rungw urngw rnugw nrugw unrgw nurgw rugnw urgnw rgunw grunw ugrnw gurnw rnguw nrguw rgnuw grnuw ngruw gnruw ungrw nugrw ugnrw gunrw ngurw gnurw
Note: these 'words' (valid or invalid) are all the permutations of the word wrung. These words are obtained by scrambling the letters in wrung.