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.
misset misseat miseat missed mist missout missuit moist maist misty massed mussed messed misate mossed misshod missaid miscite musette moussed mast most must moste mayst misdo mused musty mestee misadd moused mustee mozetta mozette mozzetta mozzette
asset russet basset misset tasset cosset knesset gusset posset set seta dossed dissed sett messed moussed bossed reset reseat russety jessed mossed mussed peseta suet sassed misseat tossed coset chassed fessed hissed guessed cessed massed cussed disseat bussed keyset bassett beset pissed gassed missed kissed seat psst passed fussed sussed miseat biassed wissed roset yessed
miss missay missy mis mess amis messiah muss mass massa masse massy messy moss mosso mossy mise mussy miso amiss