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.
staw stow stew seta stoa stay stoae satay sutta stoai stewy setae sat set sad sit sty sot sett said suit suet sati stey sade site seat soot sate soda sadi zeta saute sooty suety suite