ehope heope eohpe oehpe hoepe ohepe ehpoe hepoe ephoe pehoe hpeoe pheoe eophe oephe epohe peohe opehe poehe hopee ohpee hpoee phoee ophee pohee ehoep heoep eohep oehep hoeep oheep eheop heeop eehop eehop heeop eheop eoehp oeehp eeohp eeohp oeehp eoehp hoeep oheep heoep ehoep oehep eohep ehpeo hepeo epheo peheo hpeeo pheeo ehepo heepo eehpo eehpo heepo ehepo epeho peeho eepho eepho peeho epeho hpeeo pheeo hepeo ehpeo peheo epheo eopeh oepeh epoeh peoeh opeeh poeeh eoeph oeeph eeoph eeoph oeeph eoeph epeoh peeoh eepoh eepoh peeoh epeoh opeeh poeeh oepeh eopeh peoeh epoeh hopee ohpee hpoee phoee ophee pohee hoepe ohepe heope ehope oehpe eohpe hpeoe pheoe hepoe ehpoe pehoe ephoe opehe poehe oephe eophe peohe epohe
Note: these 'words' (valid or invalid) are all the permutations of the word ehope. These words are obtained by scrambling the letters in ehope.