hammy ahmmy hmamy mhamy amhmy mahmy hammy ahmmy hmamy mhamy amhmy mahmy hmmay mhmay hmmay mhmay mmhay mmhay ammhy mamhy ammhy mamhy mmahy mmahy hamym ahmym hmaym mhaym amhym mahym haymm ahymm hyamm yhamm ayhmm yahmm hmyam mhyam hymam yhmam myham ymham amyhm mayhm aymhm yamhm myahm ymahm hamym ahmym hmaym mhaym amhym mahym haymm ahymm hyamm yhamm ayhmm yahmm hmyam mhyam hymam yhmam myham ymham amyhm mayhm aymhm yamhm myahm ymahm hmmya mhmya hmmya mhmya mmhya mmhya hmyma mhyma hymma yhmma myhma ymhma hmyma mhyma hymma yhmma myhma ymhma mmyha mmyha mymha ymmha mymha ymmha ammyh mamyh ammyh mamyh mmayh mmayh amymh maymh aymmh yammh myamh ymamh amymh maymh aymmh yammh myamh ymamh mmyah mmyah mymah ymmah mymah ymmah
Note: these 'words' (valid or invalid) are all the permutations of the word hammy. These words are obtained by scrambling the letters in hammy.