yhrim hyrim yrhim ryhim hryim rhyim yhirm hyirm yihrm iyhrm hiyrm ihyrm yrihm ryihm yirhm iyrhm riyhm iryhm hriym rhiym hirym ihrym rihym irhym yhrmi hyrmi yrhmi ryhmi hrymi rhymi yhmri hymri ymhri myhri hmyri mhyri yrmhi rymhi ymrhi myrhi rmyhi mryhi hrmyi rhmyi hmryi mhryi rmhyi mrhyi yhimr hyimr yihmr iyhmr hiymr ihymr yhmir hymir ymhir myhir hmyir mhyir yimhr iymhr ymihr myihr imyhr miyhr himyr ihmyr hmiyr mhiyr imhyr mihyr yrimh ryimh yirmh iyrmh riymh irymh yrmih rymih ymrih myrih rmyih mryih yimrh iymrh ymirh myirh imyrh miyrh rimyh irmyh rmiyh mriyh imryh miryh hrimy rhimy hirmy ihrmy rihmy irhmy hrmiy rhmiy hmriy mhriy rmhiy mrhiy himry ihmry hmiry mhiry imhry mihry rimhy irmhy rmihy mrihy imrhy mirhy
Note: these 'words' (valid or invalid) are all the permutations of the word yhrim. These words are obtained by scrambling the letters in yhrim.