This spelling list includes all the most commonly used two-letter words in English.
* English word do not end in I, U, V, or J. Hi is a common slang term for hello.
** Out of 90,000 words, "of" is the only word where F says the /v/ sound. This word needs extra attention when taught for reading and spelling. Since it is a common grammatical term, it is also unaccented in the sentence and therefore the vowel has diminished to a schwa sound.