Phonemic Inventory (Gothic → Gytc)

(from handwritten notes, transcribed)

Long Vowels

ei (ī) → ai/ī
e (ē) → ī (?)
ai (ɛ̄) → ē
a (ā) → ā (→ ǣ) [i/j umlaut?]
au (ɔ̄) → ō (→œ̄)
o (ō) → ū (?) (→ ȳ)
u (ū) → au/ū (→æy?) [a little old norsey]

Diphthongs

iu → ȳ
ái → ē
áu → ō

Short Vowels

i → i
-
aí (ɛ) → e
a → a (→ æ)
aú (ɔ) → o (→ œ)
-
u → u (→ y)

ə (from mora loss)

Consonants

b → b
ƀ → v (intervocalic)
f → f
p → p

d → d
đ → ð (intervocalic)
þ → þ
t → t

g → g
ɡ → γ (intervocalic)
h → h (initial), x (otherwise)
k → k

s → s
z → z? r? ʒ? [rhotacism? do we even want to go there?]

l → l (syllabic=əl) [separate letters for syllabics à la Northeadish?]
m → m (syllabic=əm)
n → n (syllabic=ən)
r → r (syllabic=ər)

gg (ŋg) → ng (gg for nostalgia’s sake?)
gk (ŋk) → nk (gk?)
gq (ŋkw) → nq (gq?)

q → kw? q? [keep the labiovelar letters and add a new letter for gw?  or break them down to C+w?]
ƕ → hw? ƕ?
gw → new letter?

w → w, v [do we want any sort of w → v changes?  what environment?]
j → j

ʒ, c (=ʃ) (from palatalism or affrication)
(I'd love to be able to convincingly work in ɮ somewhere, but i dunno if that's possible...)