sinhs isnhs snihs nsihs inshs nishs sihns ishns shins hsins ihsns hisns snhis nshis shnis hsnis nhsis hnsis inhss nihss ihnss hinss nhiss hniss sinsh isnsh snish nsish inssh nissh sisnh issnh ssinh ssinh issnh sisnh snsih nssih ssnih ssnih nssih snsih inssh nissh isnsh sinsh nsish snish sihsn ishsn shisn hsisn ihssn hissn sishn isshn ssihn ssihn isshn sishn shsin hssin sshin sshin hssin shsin ihssn hissn ishsn sihsn hsisn shisn snhsi nshsi shnsi hsnsi nhssi hnssi snshi nsshi ssnhi ssnhi nsshi snshi shsni hssni sshni sshni hssni shsni nhssi hnssi nshsi snhsi hsnsi shnsi inhss nihss ihnss hinss nhiss hniss inshs nishs isnhs sinhs nsihs snihs ihsns hisns ishns sihns hsins shins nhsis hnsis nshis snhis hsnis shnis
Note: these 'words' (valid or invalid) are all the permutations of the word sinhs. These words are obtained by scrambling the letters in sinhs.