The supervisor has identified the shapes as Marcomannic runes, here's a table of the letters and their meaning
Code
Rune
Translation
Code
Rune
Translation
Code
Rune
Translation
Code
Rune
Translation
Code
Rune
Translation
16A0
ᚠ
fehu feoh fe f
16B0
ᚰ
on
16C0
ᛀ
dotted-n
16D0
ᛐ
short-twig-tyr t
16E0
ᛠ
ear
16A1
ᚡ
v
16B1
ᚱ
raido rad reid r
16C1
ᛁ
isaz is iss i
16D1
ᛑ
d
16E1
ᛡ
ior
16A2
ᚢ
uruz ur u
16B2
ᚲ
kauna
16C2
ᛂ
e
16D2
ᛒ
berkanan beorc bjarkan b
16E2
ᛢ
cweorth
16A3
ᚣ
yr
16B3
ᚳ
cen
16C3
ᛃ
jeran j
16D3
ᛓ
short-twig-bjarkan b
16E3
ᛣ
calc
16A4
ᚤ
y
16B4
ᚴ
kaun k
16C4
ᛄ
ger
16D4
ᛔ
dotted-p
16E4
ᛤ
cealc
16A5
ᚥ
w
16B5
ᚵ
g
16C5
ᛅ
long-branch-ar ae
16D5
ᛕ
open-p
16E5
ᛥ
stan
16A6
ᚦ
thurisaz thurs thorn
16B6
ᚶ
eng
16C6
ᛆ
short-twig-ar a
16D6
ᛖ
ehwaz eh e
16E6
ᛦ
long-branch-yr
16A7
ᚧ
eth
16B7
ᚷ
gebo gyfu g
16C7
ᛇ
iwaz eoh
16D7
ᛗ
mannaz man m
16E7
ᛧ
short-twig-yr
16A8
ᚨ
ansuz a
16B8
ᚸ
gar
16C8
ᛈ
pertho peorth p
16D8
ᛘ
long-branch-madr m
16E8
ᛨ
Icelandic-yr
16A9
ᚩ
os o
16B9
ᚹ
wunjo wynn w
16C9
ᛉ
algiz eolhx
16D9
ᛙ
short-twig-madr m
16E9
ᛩ
q
16AA
ᚪ
ac a
16BA
ᚺ
haglaz h
16CA
ᛊ
sowilo s
16DA
ᛚ
laukaz lagu logr L
16EA
ᛪ
x
16AB
ᚫ
aesc
16BB
ᚻ
haegl h
16CB
ᛋ
sigel long-branch-sol s
16DB
ᛛ
dotted-L
16EB
᛫
single punctuation
16AC
ᚬ
long-branch-oss o
16BC
ᚼ
long-branch-hagall h
16CC
ᛌ
short-twig-sol s
16DC
ᛜ
ingwaz
16EC
᛬
multiple punctuation
16AD
ᚭ
short-twig-oss o
16BD
ᚽ
short-twig-hagall h
16CD
ᛍ
c
16DD
ᛝ
ing
16ED
᛭
cross punctuation
16AE
ᚮ
o
16BE
ᚾ
naudiz nyd naud n
16CE
ᛎ
z
16DE
ᛞ
dagaz daeg d
16EE
ᛮ
arlaug symbol
16AF
ᚯ
oe
16BF
ᚿ
short-twig-naud n
16CF
ᛏ
tiwaz tir tyr t
16DF
ᛟ
othalan ethel o
16EF
ᛯ
tvimadur symbol
16F0
ᛰ
belgthor symbol