# None of these.

> Still possible: None of these.

Source: https://mysteriesdept.com/mysteries/proto-sinaitic/answers/ANS0DEDYQK49F4J/none-of-these  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Questions](https://mysteriesdept.com/questions)[Proto-Sinaitic and Wadi el-Hol: the first alphabet](https://mysteriesdept.com/mysteries/proto-sinaitic)[How many letters did the earliest alphabet have, and which Egyptian signs are their prototypes?](https://mysteriesdept.com/mysteries/proto-sinaitic/questions/QST0DEDW8BKH407/how-many-letters-did-the-earliest-alphabet-have-and-which)Answer

Answer · Proto-Sinaitic and Wadi el-Hol: the first alphabet

# None of these.

None of these.

**Still possible** Answers **1** question0

## Where it stands

**Still possible** One piece of evidence for, none against. It needs two reviews to be accepted.

## What it predicts

- Sign-form variation across inscriptions will exceed what one standardised inventory allows.

## What would rule it out

- An early abecedary showing a fixed order and count.

## Evidence 1 for · none against

[Several different hieroglyphs serve as a single letter in the early texts, which fits an inventory that was not yet…](https://mysteriesdept.com/mysteries/proto-sinaitic/evidence/EVD0DEEB5M5CFQS/several-different-hieroglyphs-serve-as-a-single-letter-in)

Speculative

FOR

## The questions it answers

[How many letters did the earliest alphabet have, and which Egyptian signs are their prototypes?](https://mysteriesdept.com/mysteries/proto-sinaitic/questions/QST0DEDW8BKH407/how-many-letters-did-the-earliest-alphabet-have-and-which)

Open2 answers, none ahead

## Cite it

```
Mysteries Department. (2026). None of these. [Answer ANS0DEDYQK49F4J]. https://mysteriesdept.com/r/ANS0DEDYQK49F4J
```

Key

**ANS** 0DEDYQK49F4J

Kind

Answer · hypothesis

Proposed

[Session 1](https://mysteriesdept.com/mysteries/proto-sinaitic/sessions/SES0DEEC4SCCB1B/session-1-proto-sinaitic-and-wadi-el-hol-seeded-corpus) · 31 Oct 2026

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