tscum stcum tcsum ctsum sctum cstum tsucm stucm tuscm utscm sutcm ustcm tcusm ctusm tucsm utcsm cutsm uctsm scutm csutm suctm usctm custm ucstm tscmu stcmu tcsmu ctsmu sctmu cstmu tsmcu stmcu tmscu mtscu smtcu mstcu tcmsu ctmsu tmcsu mtcsu cmtsu mctsu scmtu csmtu smctu msctu cmstu mcstu tsumc stumc tusmc utsmc sutmc ustmc tsmuc stmuc tmsuc mtsuc smtuc mstuc tumsc utmsc tmusc mtusc umtsc mutsc sumtc usmtc smutc msutc umstc mustc tcums ctums tucms utcms cutms uctms tcmus ctmus tmcus mtcus cmtus mctus tumcs utmcs tmucs mtucs umtcs mutcs cumts ucmts cmuts mcuts umcts mucts scumt csumt sucmt uscmt cusmt ucsmt scmut csmut smcut mscut cmsut mcsut sumct usmct smuct msuct umsct musct cumst ucmst cmust mcust umcst mucst
Note: these 'words' (valid or invalid) are all the permutations of the word tscum. These words are obtained by scrambling the letters in tscum.