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.
muggy mugg moggy mug muggee migg mucky maguey moggie mag meg mig mog myc mega muck
buggy muggy vuggy fuggy puggy loggy wiggy leggy soggy faggy raggy boggy piggy eggy foggy moggy vugg mugg jaggy naggy quaggy jiggy saggy biggy doggy baggy shaggy