myahc ymahc mayhc amyhc yamhc aymhc myhac ymhac mhyac hmyac yhmac hymac mahyc amhyc mhayc hmayc ahmyc hamyc yahmc ayhmc yhamc hyamc ahymc haymc myach ymach maych amych yamch aymch mycah ymcah mcyah cmyah ycmah cymah macyh amcyh mcayh cmayh acmyh camyh yacmh aycmh ycamh cyamh acymh caymh myhca ymhca mhyca hmyca yhmca hymca mycha ymcha mcyha cmyha ycmha cymha mhcya hmcya mchya cmhya hcmya chmya yhcma hycma ychma cyhma hcyma chyma mahcy amhcy mhacy hmacy ahmcy hamcy machy amchy mcahy cmahy acmhy camhy mhcay hmcay mchay cmhay hcmay chmay ahcmy hacmy achmy cahmy hcamy chamy yahcm ayhcm yhacm hyacm ahycm haycm yachm aychm ycahm cyahm acyhm cayhm yhcam hycam ycham cyham hcyam chyam ahcym hacym achym cahym hcaym chaym
Note: these 'words' (valid or invalid) are all the permutations of the word myahc. These words are obtained by scrambling the letters in myahc.