x = equis (pronounced as written it in the question)
H is not pronounced in Spanish.
"H" (hache) is the Spanish letter that is silent.
The first letter in the Spanish alphabet is also A. The difference is that in Spanish it is pronounced "Ahhh."
The i in Spanish is pronounced like the ee in tree.
A. It is pronounced "Ahh"
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The letter 'f' is called 'efe' (pronounced EFFay) in Spanish
You spell it 'b', but the Spanish name for the letter is 'be', pronounced 'bay'
It is spelled the same, but pronounced 'ah'.
Equis (pronounced AY-kiss)
e
ks as in English. In some words, it is pronounced like the spanish J (an emphatic h sound). In medieval spanish, it was pronounced like SH.