ghall hgall gahll aghll hagll ahgll ghlal hglal glhal lghal hlgal lhgal galhl aglhl glahl lgahl alghl laghl halgl ahlgl hlagl lhagl alhgl lahgl ghall hgall gahll aghll hagll ahgll ghlal hglal glhal lghal hlgal lhgal galhl aglhl glahl lgahl alghl laghl halgl ahlgl hlagl lhagl alhgl lahgl ghlla hglla glhla lghla hlgla lhgla ghlla hglla glhla lghla hlgla lhgla gllha lglha gllha lglha llgha llgha hllga lhlga hllga lhlga llhga llhga gallh agllh glalh lgalh alglh laglh gallh agllh glalh lgalh alglh laglh gllah lglah gllah lglah llgah llgah allgh lalgh allgh lalgh llagh llagh hallg ahllg hlalg lhalg alhlg lahlg hallg ahllg hlalg lhalg alhlg lahlg hllag lhlag hllag lhlag llhag llhag allhg lalhg allhg lalhg llahg llahg
Note: these 'words' (valid or invalid) are all the permutations of the word ghall. These words are obtained by scrambling the letters in ghall.