machs amchs mcahs cmahs acmhs camhs mahcs amhcs mhacs hmacs ahmcs hamcs mchas cmhas mhcas hmcas chmas hcmas achms cahms ahcms hacms chams hcams macsh amcsh mcash cmash acmsh camsh masch amsch msach smach asmch samch mcsah cmsah mscah smcah csmah scmah acsmh casmh ascmh sacmh csamh scamh mahsc amhsc mhasc hmasc ahmsc hamsc mashc amshc msahc smahc asmhc samhc mhsac hmsac mshac smhac hsmac shmac ahsmc hasmc ashmc sahmc hsamc shamc mchsa cmhsa mhcsa hmcsa chmsa hcmsa mcsha cmsha mscha smcha csmha scmha mhsca hmsca mshca smhca hsmca shmca chsma hcsma cshma schma hscma shcma achsm cahsm ahcsm hacsm chasm hcasm acshm cashm aschm sachm csahm scahm ahscm hascm ashcm sahcm hsacm shacm chsam hcsam csham scham hscam shcam
Note: these 'words' (valid or invalid) are all the permutations of the word machs. These words are obtained by scrambling the letters in machs.