hahti ahhti hhati hhati ahhti hahti hathi ahthi htahi thahi athhi tahhi hhtai hhtai hthai thhai hthai thhai ahthi hathi athhi tahhi htahi thahi hahit ahhit hhait hhait ahhit hahit haiht ahiht hiaht ihaht aihht iahht hhiat hhiat hihat ihhat hihat ihhat ahiht haiht aihht iahht hiaht ihaht hatih ahtih htaih thaih athih tahih haith ahith hiath ihath aihth iahth htiah thiah hitah ihtah tihah ithah atihh taihh aithh iathh tiahh itahh hhtia hhtia hthia thhia hthia thhia hhita hhita hihta ihhta hihta ihhta htiha thiha hitha ihtha tihha ithha htiha thiha hitha ihtha tihha ithha ahtih hatih athih tahih htaih thaih ahith haith aihth iahth hiath ihath atihh taihh aithh iathh tiahh itahh htiah thiah hitah ihtah tihah ithah
Note: these 'words' (valid or invalid) are all the permutations of the word hahti. These words are obtained by scrambling the letters in hahti.