uhsra husra ushra suhra hsura shura uhrsa hursa urhsa ruhsa hrusa rhusa usrha surha ursha rusha sruha rsuha hsrua shrua hrsua rhsua srhua rshua uhsar husar ushar suhar hsuar shuar uhasr huasr uahsr auhsr hausr ahusr usahr suahr uashr aushr sauhr asuhr hsaur shaur hasur ahsur sahur ashur uhras huras urhas ruhas hruas rhuas uhars huars uahrs auhrs haurs ahurs urahs ruahs uarhs aurhs rauhs aruhs hraus rhaus harus ahrus rahus arhus usrah surah ursah rusah sruah rsuah usarh suarh uasrh ausrh saurh asurh urash ruash uarsh aursh raush arush srauh rsauh saruh asruh rasuh arsuh hsrau shrau hrsau rhsau srhau rshau hsaru sharu hasru ahsru sahru ashru hrasu rhasu harsu ahrsu rahsu arhsu srahu rsahu sarhu asrhu rashu arshu
Note: these 'words' (valid or invalid) are all the permutations of the word uhsra. These words are obtained by scrambling the letters in uhsra.