hanch ahnch hnach nhach anhch nahch hacnh ahcnh hcanh chanh achnh cahnh hncah nhcah hcnah chnah nchah cnhah anchh nachh acnhh canhh ncahh cnahh hanhc ahnhc hnahc nhahc anhhc nahhc hahnc ahhnc hhanc hhanc ahhnc hahnc hnhac nhhac hhnac hhnac nhhac hnhac anhhc nahhc ahnhc hanhc nhahc hnahc hachn ahchn hcahn chahn achhn cahhn hahcn ahhcn hhacn hhacn ahhcn hahcn hchan chhan hhcan hhcan chhan hchan achhn cahhn ahchn hachn chahn hcahn hncha nhcha hcnha chnha nchha cnhha hnhca nhhca hhnca hhnca nhhca hnhca hchna chhna hhcna hhcna chhna hchna nchha cnhha nhcha hncha chnha hcnha anchh nachh acnhh canhh ncahh cnahh anhch nahch ahnch hanch nhach hnach achnh cahnh ahcnh hacnh chanh hcanh nchah cnhah nhcah hncah chnah hcnah
Note: these 'words' (valid or invalid) are all the permutations of the word hanch. These words are obtained by scrambling the letters in hanch.