griod rgiod girod igrod rigod irgod groid rgoid gorid ogrid rogid orgid giord igord goird ogird iogrd oigrd riogd irogd roigd origd iorgd oirgd grido rgido girdo igrdo rigdo irgdo grdio rgdio gdrio dgrio rdgio drgio gidro igdro gdiro dgiro idgro digro ridgo irdgo rdigo drigo idrgo dirgo grodi rgodi gordi ogrdi rogdi orgdi grdoi rgdoi gdroi dgroi rdgoi drgoi godri ogdri gdori dgori odgri dogri rodgi ordgi rdogi drogi odrgi dorgi giodr igodr goidr ogidr iogdr oigdr gidor igdor gdior dgior idgor digor godir ogdir gdoir dgoir odgir dogir iodgr oidgr idogr diogr odigr doigr riodg irodg roidg oridg iordg oirdg ridog irdog rdiog driog idrog dirog rodig ordig rdoig droig odrig dorig iodrg oidrg idorg diorg odirg doirg
Note: these 'words' (valid or invalid) are all the permutations of the word griod. These words are obtained by scrambling the letters in griod.