ז - zayin letter, numeric value 7

ז is another "easy" letter for English and Romance language speakers. It is pronounced as Z in Zebra. This is a pretty straightforward letter, pronounced as Z in both Hebrew and Aramaic.

A common word in Hebrew that starts with Zayin is זה (ze). Which means this.  זה illustrates that in general final ה in Hebrew is not pronounced, it is just a "mothers of reading".

ו  Waw / Vav consonant - numeric value 6

ו in Modern Hebrew is pronounced as V in victory.  In Aramaic it is pronounced as W in Waw.  As such, we have David in Hebrew but Dawid in Aramaic.

So now for V sound we have two letters in Modern Hebrew. ו and then ב, when pronounced with the secondary pronunciation.  As we continue, we will run into other letters that have the same pronunciation in Modern Hebrew.  But in Aramaic, and most probably also in Ancient Hebrew, each one of the 22 letters that make up the alefbet (alphabet) has a very distinct pronunciation. 

ו is used a lot in Hebrew and Aramaic to link sentences inside phrases.  In such situations it would normally be translated as and or many times simply omitted in translation. When used as such, ו merges with the first word in the next sentence. E.g.
יהי אור, ויהי אור (Yehi ohr, vayehi ohr), Light will be, and light was.

ה He letter - numeric value 5

ה is an easy consonant to pronounce for English and European languages speakers. It is pronounced exactly as the English H in words like Hallelujah. Hallelujah (הללויה) is a Hebrew word that means "praise Yah".