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.
gulleys gullies galleys gules gleys gulls guiles guls cullays cullies gallies galleass culls glues galls glees gales goalless quells gallus quolls caules galeas quills cullis queleas callees killies gallows goalies collies coulees gallous kellies gals galliass quillais keelless coalless clews glazy cloys kills quillaias calls galas cauls glaze glace clues gaols gloss glows glias coles glass gloze goals kales clays coulis callas calesa coleus glassy kayles galahs callus caulis glossa glossy colies quails callose callous coolies glassie glossae keyless
alleys mulleys pulleys valleys volleys gulleys galleys leys fellies alloys hollies muleys goalless cullays foleys callees hulloes ballies gullies rilles halloes mallees boulles mealless bellies sallies soulless sailless blueys dillies challies willies wellies tulles toolless tellies tailless doyleys sullies dallies kellies helloes jellies gallies nellies folles mollies billies fillies lollies coalless baileys allees mailless selles rouilles milles soilless sillies filles pollees keelless hilloes belles bullies gleys fleys ghillies cullies gillies follies collies malleus allies dellies rallies felloes mooleys heelless holloes failles jollies allays killies dalles dollies tailles tallies tellys tuilles wallies wheelless woollies chillies les
gulley gull galley guile gully gul