phsra hpsra pshra sphra hspra shpra phrsa hprsa prhsa rphsa hrpsa rhpsa psrha sprha prsha rpsha srpha rspha hsrpa shrpa hrspa rhspa srhpa rshpa phsar hpsar pshar sphar hspar shpar phasr hpasr pahsr aphsr hapsr ahpsr psahr spahr pashr apshr saphr asphr hsapr shapr haspr ahspr sahpr ashpr phras hpras prhas rphas hrpas rhpas phars hpars pahrs aphrs haprs ahprs prahs rpahs parhs aprhs raphs arphs hraps rhaps harps ahrps rahps arhps psrah sprah prsah rpsah srpah rspah psarh sparh pasrh apsrh saprh asprh prash rpash parsh aprsh rapsh arpsh sraph rsaph sarph asrph rasph arsph hsrap shrap hrsap rhsap srhap rshap hsarp sharp hasrp ahsrp sahrp ashrp hrasp rhasp harsp ahrsp rahsp arhsp srahp rsahp sarhp asrhp rashp arshp
Note: these 'words' (valid or invalid) are all the permutations of the word phsra. These words are obtained by scrambling the letters in phsra.