fohn ofhn fhon hfon ohfn hofn fonh ofnh fnoh nfoh onfh nofh fhno hfno fnho nfho hnfo nhfo ohnf honf onhf nohf hnof nhof
Note: these 'words' (valid or invalid) are all the permutations of the word fohn. These words are obtained by scrambling the letters in fohn.