smhra mshra shmra hsmra mhsra hmsra smrha msrha srmha rsmha mrsha rmsha shrma hsrma srhma rshma hrsma rhsma mhrsa hmrsa mrhsa rmhsa hrmsa rhmsa smhar mshar shmar hsmar mhsar hmsar smahr msahr samhr asmhr mashr amshr shamr hsamr sahmr ashmr hasmr ahsmr mhasr hmasr mahsr amhsr hamsr ahmsr smrah msrah srmah rsmah mrsah rmsah smarh msarh samrh asmrh masrh amsrh sramh rsamh sarmh asrmh rasmh arsmh mrash rmash marsh amrsh ramsh armsh shram hsram srham rsham hrsam rhsam sharm hsarm sahrm ashrm hasrm ahsrm srahm rsahm sarhm asrhm rashm arshm hrasm rhasm harsm ahrsm rahsm arhsm mhras hmras mrhas rmhas hrmas rhmas mhars hmars mahrs amhrs hamrs ahmrs mrahs rmahs marhs amrhs ramhs armhs hrams rhams harms ahrms rahms arhms
Note: these 'words' (valid or invalid) are all the permutations of the word smhra. These words are obtained by scrambling the letters in smhra.