whata hwata wahta awhta hawta ahwta whtaa hwtaa wthaa twhaa htwaa thwaa watha awtha wtaha twaha atwha tawha hatwa ahtwa htawa thawa athwa tahwa whaat hwaat wahat awhat hawat ahwat whaat hwaat wahat awhat hawat ahwat waaht awaht waaht awaht aawht aawht haawt ahawt haawt ahawt aahwt aahwt whtaa hwtaa wthaa twhaa htwaa thwaa whata hwata wahta awhta hawta ahwta wtaha twaha watha awtha tawha atwha htawa thawa hatwa ahtwa tahwa athwa watah awtah wtaah twaah atwah tawah waath awath waath awath aawth aawth wtaah twaah watah awtah tawah atwah atawh taawh aatwh aatwh taawh atawh hataw ahtaw htaaw thaaw athaw tahaw haatw ahatw haatw ahatw aahtw aahtw htaaw thaaw hataw ahtaw tahaw athaw atahw taahw aathw aathw taahw atahw
Note: these 'words' (valid or invalid) are all the permutations of the word whata. These words are obtained by scrambling the letters in whata.