mutha umtha mtuha tmuha utmha tumha muhta umhta mhuta hmuta uhmta humta mthua tmhua mhtua hmtua thmua htmua uthma tuhma uhtma hutma thuma htuma mutah umtah mtuah tmuah utmah tumah muath umath mauth amuth uamth aumth mtauh tmauh matuh amtuh tamuh atmuh utamh tuamh uatmh autmh taumh atumh muhat umhat mhuat hmuat uhmat humat muaht umaht mauht amuht uamht aumht mhaut hmaut mahut amhut hamut ahmut uhamt huamt uahmt auhmt haumt ahumt mthau tmhau mhtau hmtau thmau htmau mtahu tmahu mathu amthu tamhu atmhu mhatu hmatu mahtu amhtu hamtu ahmtu thamu htamu tahmu athmu hatmu ahtmu utham tuham uhtam hutam thuam htuam utahm tuahm uathm authm tauhm atuhm uhatm huatm uahtm auhtm hautm ahutm thaum htaum tahum athum hatum ahtum
Note: these 'words' (valid or invalid) are all the permutations of the word mutha. These words are obtained by scrambling the letters in mutha.