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.
gley gluey gulley galley glue glee gale gayly golly galea guile gally gaily gully goalie galeae gul gal gaol clew gull gala glow cloy clay glia coly gall cole goal kale clue coaly colly cooly coyly cully galah kelly quale
ley holey doyley bailey fley foley valley volley alley gley galley gulley mooley muley mulley pulley riley shaley