ourgo uorgo orugo rougo urogo ruogo ougro uogro oguro gouro ugoro guoro orguo roguo ogruo goruo rgouo grouo urgoo rugoo ugroo guroo rguoo gruoo ourog uorog oruog rouog uroog ruoog ouorg uoorg oourg oourg uoorg ouorg oroug rooug oorug oorug rooug oroug uroog ruoog uorog ourog rouog oruog ougor uogor oguor gouor ugoor guoor ouogr uoogr oougr oougr uoogr ouogr ogour goour oogur oogur goour ogour ugoor guoor uogor ougor gouor oguor orgou rogou ogrou gorou rgoou groou orogu roogu oorgu oorgu roogu orogu ogoru gooru oogru oogru gooru ogoru rgoou groou rogou orgou gorou ogrou urgoo rugoo ugroo guroo rguoo gruoo urogo ruogo uorgo ourgo rougo orugo ugoro guoro uogro ougro gouro oguro rgouo grouo roguo orguo goruo ogruo
Note: these 'words' (valid or invalid) are all the permutations of the word ourgo. These words are obtained by scrambling the letters in ourgo.