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.
lees les leys leas lues leis less lies lease wyles loess lycee lieus lessee looies louies lezzie looeys lez lis las laws loos loss lase lows lays lice laze lace lyse lose luce lass lezzy lyssa lacey lasso louis luaus lassi loose lowse lycea hylas louse lousy lossy
bees pees tees ghees vees gees jees cooees lees fees knees rees cees sees zees dees wees es