I've taken a list of English words, and examined each of them to see what they sound like (using the PHP metaphone function). This page lists the most common metaphone codes, along with their words. You can also search for a word of your own, and see which words sound similar - and which ones rhyme, and which ones alliterate.
pean paean pan pen pein peen pian pawn peon pain pane panne paeon peony penny piano penni penna penne pennae pennia pun pin hyponea pone pion poon pine pina pony puna piny puny piney pinna pinny punny
bean jean quean lean mean paean pean dean wean yean an en