peash epash paesh apesh eapsh aepsh pesah epsah pseah speah espah sepah paseh apseh psaeh spaeh aspeh sapeh easph aesph esaph seaph aseph saeph peahs epahs paehs apehs eaphs aephs pehas ephas pheas hpeas ehpas hepas pahes aphes phaes hpaes ahpes hapes eahps aehps ehaps heaps aheps haeps pesha epsha pseha speha espha sepha pehsa ephsa phesa hpesa ehpsa hepsa pshea sphea phsea hpsea shpea hspea eshpa sehpa ehspa hespa shepa hsepa pashe apshe psahe spahe asphe saphe pahse aphse phase hpase ahpse hapse pshae sphae phsae hpsae shpae hspae ashpe sahpe ahspe haspe shape hsape eashp aeshp esahp seahp asehp saehp eahsp aehsp ehasp heasp ahesp haesp eshap sehap ehsap hesap sheap hseap ashep sahep ahsep hasep shaep hsaep
Note: these 'words' (valid or invalid) are all the permutations of the word peash. These words are obtained by scrambling the letters in peash.