The CBB

/m ɱ n ɳ~ŋ/ ⟨m mf n g⟩
/p pɸ p̪ t ts ʈ~k ʔ/ ⟨p pph pf t c k q⟩
/ɸ f s ʂ h/ ⟨ph f s x h⟩
/v z ʐ~ɣ/ ⟨v z r⟩
/w r l j/ ⟨w rr l y⟩
/a e i o u/ ⟨a e i o a⟩

Next:

/m n/
/p b t d k ɡ/
/v θ ð s z h/
/t͡s d͡z/
/r j w/

/i ḭ ɯ ɯ̰ u ṵ/
/e ḛ ẽ ḛ̃ ɤ ɤ̰ ɤ̃ ɤ̰̃ o o̰ õ õ̰/
/a a̰ ã ã̰ ɑ ɑ̰ ɑ̃ ɑ̰̃/

195: /æ/ → /ɛ/ | in closed syllables.

I'm thinking of making a Slavic language spoken in southern Thrace. The problem is I have no idea how to go about this. I've never made a conlang decended from a natlang before, and I don't know very much at all about Slavic languages. Any tips on the matter would be appreciated.

190: A
191: C
192: C
193: A
194: A
195: B

188: D
189: H
190: D
191: C

183: A
184: D
185: A
186: C
187: A

180: B
181: A
182: A

177: A
178: B
179: C, yes but only in some dialects.

172: D 173: D 174: A 175: D 176: jC, əiC, eiC → Cj, əCj, eCj maybe also wC, əuC, ouC → Cw, əCw, oCw Would the sound changes you proposed also reply word-finally? If they did, they would also apply to words such as rose /rouz/, which would be pronounced /rozw/. I'm not sure. Maybe these diphthongs a...

172: D
173: D
174: A
175: D
176: jC, əiC, eiC → Cj, əCj, eCj
maybe also wC, əuC, ouC → Cw, əCw, oCw

168: A
169: B
170: A
171: B
172: D
173: D

163: D
164: A
165: C
166: A
167: B

158: A
159: A
160: A
161: D
162: A

153: C
154: IDK
155: B
156: IDK
156: /l/ → /ɫ/ (→ /w/) maybe

152: E, shimobaatar's suggestion
153: C

150: A
151: B

147: A 148: A 149: C - A religious split between protestants and catholics. If I remember correctly, we decided that there should be a dialectal divide between areas with more and less nordic influence. What if this influence lasted longer and extended beyond just linguistic influence, but also cult...

144: B
145: B
146: Simplification of diphtongs

141: B
142: E
143: C
144: A

138: B
139: B
140: B