gaths agths gtahs tgahs atghs taghs gahts aghts ghats hgats ahgts hagts gthas tghas ghtas hgtas thgas htgas athgs tahgs ahtgs hatgs thags htags gatsh agtsh gtash tgash atgsh tagsh gasth agsth gsath sgath asgth sagth gtsah tgsah gstah sgtah tsgah stgah atsgh tasgh astgh satgh tsagh stagh gahst aghst ghast hgast ahgst hagst gasht agsht gsaht sgaht asght saght ghsat hgsat gshat sghat hsgat shgat ahsgt hasgt ashgt sahgt hsagt shagt gthsa tghsa ghtsa hgtsa thgsa htgsa gtsha tgsha gstha sgtha tsgha stgha ghsta hgsta gshta sghta hsgta shgta thsga htsga tshga sthga hstga shtga athsg tahsg ahtsg hatsg thasg htasg atshg tashg asthg sathg tsahg stahg ahstg hastg ashtg sahtg hsatg shatg thsag htsag tshag sthag hstag shtag
Note: these 'words' (valid or invalid) are all the permutations of the word gaths. These words are obtained by scrambling the letters in gaths.