hasks ahsks hsaks shaks ashks sahks hakss ahkss hkass khass akhss kahss hskas shkas hksas khsas skhas kshas askhs sakhs akshs kashs skahs ksahs hassk ahssk hsask shask ashsk sahsk hassk ahssk hsask shask ashsk sahsk hssak shsak hssak shsak sshak sshak asshk sashk asshk sashk ssahk ssahk hakss ahkss hkass khass akhss kahss hasks ahsks hsaks shaks ashks sahks hksas khsas hskas shkas kshas skhas akshs kashs askhs sakhs ksahs skahs hsksa shksa hkssa khssa skhsa kshsa hsska shska hsska shska sshka sshka hkssa khssa hsksa shksa kshsa skhsa sksha kssha sskha sskha kssha sksha asksh saksh akssh kassh skash ksash asskh saskh asskh saskh ssakh ssakh akssh kassh asksh saksh ksash skash sksah kssah sskah sskah kssah sksah
Note: these 'words' (valid or invalid) are all the permutations of the word hasks. These words are obtained by scrambling the letters in hasks.