On the Rudiments of Hebrew

and ve original: "vę", likely representing an "ae" or open "e" sound is sde.
In "I", between hhi and vi is sdi.
In "Direct O" original: "O rectum", referring to the long or primary "o" vowel, between hho and vo is sdo.
In the last one referring to the vowel "u", between hhu and vu is sdu.
So in "Direct E", it is se.
Let me look really closely at "Direct E".
hhe se ve. Yes, it looks like se.
Wait, let me look at "Direct A".
hha za va.
Wait, let me re-count the syllables in "Direct A".
1. tha The letter Tav combined with the vowel 'a'.
2. sa The letter Samekh or Sin.
3. ra The letter Resh.
4. qa The letter Qof.
5. za Likely the letter Tsade, which Reuchlin distinguishes from the 16th letter Zayin.
6. pa The letter Pe.
7. a The letter Ayin or Aleph.
8. sa A repetition or variation of a sibilant sound.
9. na The letter Nun.
10. ma The letter Mem.
11. la The letter Lamed.
12. cha The letter Kaf.
13. ia The letter Yod.
14. ta The letter Tet.
15. hha The letter Het.
16. za The letter Zayin. Reuchlin explicitly states this letter should sound like "sd".
17. va The letter Vav.
...
Yes, the 16th is za.
In "Direct E", the 16th is se.
In "Slanted E" original: "E obliquum", referring to a short or modified "e" vowel, the 16th is sde.
In "I", the 16th is sdi.
In "Direct O", the 16th is sdo.
In the last one, the 16th is sdu.
Okay.

Wait, let me look at "E