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.
put putt pout putti putty pouty putto puttie pet puttee pot pud pit pat pita peat poet pity paty pate ptui potto patty petto petti potty petty pitta pieta peaty piety pattee pattie ptooey