Itty-bitty rhymes with:
bitty, bitty, chitty, citi, city, clytie, committee, ditty, fulginiti, gritty, hitty, itty, kansas-city, kitty, litty, mcquitty, miltie, new-york-city, nitty, pity, pretty, smitty, subcommittee, tarditi, twitty, whitty, witty