Naming Ark's sibling

This is my first post so i hope I’m doing it right lol.
Hubby and I recently found out we are pregnant with #2! YAY! Our first son’s name is Ark Ryatt and his initials are A.R.K. We would like to try and do the same for #2, as in initials spell the first name, if it’s a boy. Hubby likes Lok but I can’t think of any ‘O’ names I like for the middle. Also, like Huk (tho would prefer more unique), Tuk, and maybe [name_u]Oak[/name_u]. is really the middle name that is giving me a hard time. ‘O’ & ‘U’ are hard. Any suggestions?

I would also like suggestions for If we can’t find a name to match with initials. I like strong , unique names. Good biblical meaning is a big plus.
Ark Ryatt ( #1’s name)
[name_f]Galilee[/name_f] Kyann (if #2 is a girl)

These are some I like so far for boy:
Deuel
[name_u]Karsten[/name_u]
Hail
[name_m]Zeke[/name_m]
Deker
Xade
[name_m]Axel[/name_m]
Like the middle name Wyald for boy.

Hmm [name_m]Zeke[/name_m] could work (even tho it has an e on the end… silent e, close enough!)

[name_m]Zeke[/name_m] [name_u]Elias[/name_u]
[name_m]Zeke[/name_m] [name_u]Elliot[/name_u]
[name_m]Zeke[/name_m] [name_u]Ellis[/name_u]
[name_m]Zeke[/name_m] [name_m]Ephraim[/name_m]
etc

As for O names, how about [name_m]Odin[/name_m], [name_m]Oren[/name_m], [name_m]Olin[/name_m], [name_u]Orion[/name_u]?

Mak [name_m]Axel[/name_m] or Mak [name_m]Amos[/name_m]

Zek [name_u]Everett[/name_u] (derived from [name_m]Zechariah[/name_m])

[name_u]Oak[/name_u] [name_m]Aston[/name_m]

Joash
[name_m]Jairus[/name_m]
[name_m]Abel[/name_m]
[name_m]Nate[/name_m]
[name_m]Draven[/name_m]

I think [name_u]Oak[/name_u] is a good choice.

I think [name_u]Oak[/name_u] is the best of your names, how about:
[name_u]Oak[/name_u] [name_m]Allen[/name_m]
[name_u]Oak[/name_u] [name_u]Avery[/name_u]
[name_u]Oak[/name_u] [name_f]Avis[/name_f]
[name_u]Oak[/name_u] [name_f]Azure[/name_f]
[name_u]Oak[/name_u] [name_u]Asa[/name_u]
[name_u]Oak[/name_u] [name_m]Aron[/name_m]

Or Bek
Bek [name_u]Evan[/name_u]
Bek [name_m]Eagon[/name_m]
Bek Ebben
Bek [name_m]Eames[/name_m]
Bek Eves
Bek [name_m]Edell[/name_m]
Bek [name_u]Elia[/name_u]