Words with Letters: h i r u d i n hirudin 11indri 6durn 5hind 8irid 5nidi 5nurd 5rind 5ruin 4din 4duh 7dui 4 dun 4hid 7hin 6hun 6rid 4rin 3run 3urd 4urn 3hi 5id 3in 2nu 2uh 5un 2