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.
hollooed holloed hullooed hallooed holloaed hilloed hulloed hollaed halloed helloed holed hulloaed hilloaed halloaed hilled hulled haloed helled howled hold haled heiled howlet haloid hailed hallot healed hauled heeled holyday holiday held holt halid helot halide halite
looed hullooed hollooed hallooed wooled soloed pooled cooled hulloaed hilloaed hulloed halloed holloed holloaed hilloed helloed folioed flood blood bloody nielloed haloed siloed halloaed tooled fooled shooled led
hollo holloa holloo hollow hallo halloa halloo hallow hello hillo hilloa holla holly hullo hulloa hulloo