ESL Phonics video for the sound of letter D. ESL Video for English students, for kindergarten, for kids. Short Phonics video to learn about the sound of letter D. Great for ESL students, ESL teachers, English learners in Thailand and English students everywhere. Kids can learn the difference between Big D and Small d. Students can also learn about the difference between the letter D and the sound of D. The vocabulary students will learn in this video: dinosaur, donut, dog.