hoppy ohppy hpopy phopy ophpy pohpy hoppy ohppy hpopy phopy ophpy pohpy hppoy phpoy hppoy phpoy pphoy pphoy opphy pophy opphy pophy ppohy ppohy hopyp ohpyp hpoyp phoyp ophyp pohyp hoypp ohypp hyopp yhopp oyhpp yohpp hpyop phyop hypop yhpop pyhop yphop opyhp poyhp oyphp yophp pyohp ypohp hopyp ohpyp hpoyp phoyp ophyp pohyp hoypp ohypp hyopp yhopp oyhpp yohpp hpyop phyop hypop yhpop pyhop yphop opyhp poyhp oyphp yophp pyohp ypohp hppyo phpyo hppyo phpyo pphyo pphyo hpypo phypo hyppo yhppo pyhpo yphpo hpypo phypo hyppo yhppo pyhpo yphpo ppyho ppyho pypho yppho pypho yppho oppyh popyh oppyh popyh ppoyh ppoyh opyph poyph oypph yopph pyoph ypoph opyph poyph oypph yopph pyoph ypoph ppyoh ppyoh pypoh yppoh pypoh yppoh
Note: these 'words' (valid or invalid) are all the permutations of the word hoppy. These words are obtained by scrambling the letters in hoppy.