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.
od oda odd ode oud odah odea oidia
bod good shod tod rood food hod hood cod god feod mod quod mood nod od pod pood rod sod wood yod