gofer ogfer gfoer fgoer ofger foger goefr ogefr geofr egofr oegfr eogfr gfeor fgeor gefor egfor fegor efgor ofegr foegr oefgr eofgr feogr efogr gofre ogfre gfore fgore ofgre fogre gorfe ogrfe grofe rgofe orgfe rogfe gfroe fgroe grfoe rgfoe frgoe rfgoe ofrge forge orfge rofge froge rfoge goerf ogerf georf egorf oegrf eogrf goref ogref groef rgoef orgef rogef gerof egrof greof rgeof ergof regof oergf eorgf oregf roegf erogf reogf gfero fgero gefro egfro fegro efgro gfreo fgreo grfeo rgfeo frgeo rfgeo gerfo egrfo grefo rgefo ergfo regfo fergo efrgo frego rfego erfgo refgo oferg foerg oefrg eofrg feorg eforg ofreg foreg orfeg rofeg froeg rfoeg oerfg eorfg orefg roefg erofg reofg ferog efrog freog rfeog erfog refog
Note: these 'words' (valid or invalid) are all the permutations of the word gofer. These words are obtained by scrambling the letters in gofer.