howod ohwod hwood whood owhod wohod hoowd ohowd hoowd ohowd oohwd oohwd hwood whood howod ohwod wohod owhod owohd woohd oowhd oowhd woohd owohd howdo ohwdo hwodo whodo owhdo wohdo hodwo ohdwo hdowo dhowo odhwo dohwo hwdoo whdoo hdwoo dhwoo wdhoo dwhoo owdho wodho odwho dowho wdoho dwoho hoodw ohodw hoodw ohodw oohdw oohdw hodow ohdow hdoow dhoow odhow dohow hodow ohdow hdoow dhoow odhow dohow oodhw oodhw odohw doohw odohw doohw hwodo whodo howdo ohwdo wohdo owhdo hwdoo whdoo hdwoo dhwoo wdhoo dwhoo hodwo ohdwo hdowo dhowo odhwo dohwo wodho owdho wdoho dwoho odwho dowho owodh woodh oowdh oowdh woodh owodh owdoh wodoh odwoh dowoh wdooh dwooh oodwh oodwh odowh doowh odowh doowh wodoh owdoh wdooh dwooh odwoh dowoh
Note: these 'words' (valid or invalid) are all the permutations of the word howod. These words are obtained by scrambling the letters in howod.