Voynichese is a numeric cipher?

[ololololo]

Not sure if any of this is any use to you, but never know.. 

I played with something a while back, looking now I think I have deleted the files apart from a tiny notepad file. 
But essentially the idea was that if you use 1,2 and 3 you have 26 variants of triplets.  
If we assign Voynich letters into 3 groups (123), and a group of nulls (0), we can start writing stuff. 

In theory it works, it's probably a better "solution" than 99% of Tiktok "solutions" (sadly). 
It also naturally creates some things we see in the text because its so annoying to do, you end up reusing things where you can with slight variance.
But most of the problem is "why and how", the below looks voynich(ish) because I made it do that, it could look really "un-voynich". The system really is 99.9% of it imo rather than just the idea that it could come from numbers. Not that I'm against the idea, it just needs a lot of "why and how". 

So, anyway, if I wanted to say something to you in our secret squirrel code (English Variant), we could use 

111 = a
112 = b
113 = c
121 = d
122 = e
123 = f
131 = g
132 = h
133 = i
211 = j
212 = k
213 = l
221 = m
222 = n
223 = o
231 = p
232 = q
233 = r
311 = s
312 = t
313 = u
321 = v
322 = w
323 = x
331 = y
332 = z
333 = .

(ch/sh considered 1 input)
    '1': set("echgbshxu"),
    '2': set("nrjmlv"),
    '3': set("tkpdfqz"),
    '0': set("oayi"),
 *'13': set ("cXh") - X = tkpf (Benched Gallows)


cTheol oloky olorody shor shol choky
daiin ol cThody otoley cThory
qokey oloroky dy cThy olokody
oteoly cThol shor orol oloky orokody qokey 

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Good luck
with
your
theory

Hopefully that was some use, if only food for thought

I decided to test your algorithm in Latin (yes, it may sound silly, as it was created for English, but it will give us an idea of the algorithm's stability). I tried to encrypt "Hepatica sanat iecur" using your alphabet. Here's what I got:
cThol chor ol or key sheey tochol cThyd cheksheey qokody tocheey cheeor olor sheety ochol qokody cThyp shor om chet okey drokod.
Bold letters indicate nulls, i added them to make the words looks like Voynichese. qokody - whitespace. 
What can I say? Of course, the output contained words that did not follow the rules of Voynichese, such as chekshee, sheet, cThyp and ugly drokod (if you get rid of the initial dr, it will look like okod, which is better). But (and this is very important) the algorithm gave us repetitions in the words cheeor and sheey, and this is important because repetitions are an integral aspect of the manuscript's text.
Also, if we try to "correct" the text we received by swapping the letters and adding nulls, we will get the following:
cThol chor ol or key sheey tochol cThy dy cheksheey qokody otcheey cheeor olor sheety ochol qokody cThy ypar shor om chetey okey dor kody.
I added a couple more nulls and changed the words to make them more appropriate: I split cthyd into cthy dy, cthyp into cthy ypar, and drokod into dor and kody. However, this replacement can lead to information loss, making the decoded text less clear. To avoid this, you can split cthyp into cthy and py, and drokod into dr o kody. By decoding these words, you can easily reconstruct and read them.
In general, the model you proposed gives quite good results...