kasha aksha ksaha skaha askha sakha kahsa akhsa khasa hkasa ahksa haksa kshaa skhaa khsaa hksaa shkaa hskaa ashka sahka ahska haska shaka hsaka kasah aksah ksaah skaah askah sakah kaash akash kaash akash aaksh aaksh ksaah skaah kasah aksah sakah askah asakh saakh aaskh aaskh saakh asakh kahas akhas khaas hkaas ahkas hakas kaahs akahs kaahs akahs aakhs aakhs khaas hkaas kahas akhas hakas ahkas ahaks haaks aahks aahks haaks ahaks kshaa skhaa khsaa hksaa shkaa hskaa ksaha skaha kasha aksha sakha askha khasa hkasa kahsa akhsa haksa ahksa shaka hsaka sahka ashka haska ahska ashak sahak ahsak hasak shaak hsaak asahk saahk aashk aashk saahk asahk ahask haask aahsk aahsk haask ahask shaak hsaak sahak ashak hasak ahsak
Note: these 'words' (valid or invalid) are all the permutations of the word kasha. These words are obtained by scrambling the letters in kasha.