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.
ghees fees ghis vees fes fehs fess feus foes phis vies voes
ghees hes hehs haes vees fees bees lees hews zees cees tees whews cheese chess sheas shews shoes pees hoes hies rees gees geese jees cooees queues knees hues sees dees wees wheys cheesy chews shes shies wyches