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.
bis bios bise bias bas biz bus bys bes bos beys baas bass busy bice bize boys bees bays boos buys base buss boas boss bows bioassay bassi beaus buoys baiza bowse bouse bossy baize bousy bassy basso byssi boughs