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.
louis louies lousy louse lis looies loos loci loss lues lose leis lies lows loess luaus loose lossy lieus lowse liaise looeys les las less laws luce leas lass lees lays leys lice lase lyse
louis louies yous tuis douse sous roues pois nous noise mouse moues miaous meous lousy louse looies bouse quais kois guise house hoise bousy mousy noisy pious poise rouse souse touse chouse youse