tophs otphs tpohs ptohs opths poths tohps othps thops htops ohtps hotps tphos pthos thpos htpos phtos hptos ophts pohts ohpts hopts phots hpots topsh otpsh tposh ptosh optsh potsh tosph otsph tsoph stoph ostph sotph tpsoh ptsoh tspoh stpoh pstoh sptoh opsth posth ospth sopth psoth spoth tohsp othsp thosp htosp ohtsp hotsp toshp otshp tsohp stohp osthp sothp thsop htsop tshop sthop hstop shtop ohstp hostp oshtp sohtp hsotp shotp tphso pthso thpso htpso phtso hptso tpsho ptsho tspho stpho pstho sptho thspo htspo tshpo sthpo hstpo shtpo phsto hpsto pshto sphto hspto shpto ophst pohst ohpst hopst phost hpost opsht posht ospht sopht psoht spoht ohspt hospt oshpt sohpt hsopt shopt phsot hpsot pshot sphot hspot shpot
Note: these 'words' (valid or invalid) are all the permutations of the word tophs. These words are obtained by scrambling the letters in tophs.