Ggän

Consonants
¹n is / ɴ/ on the end of a word, otherwise it is /n/

Vowels
¹e˞ is mid, not close.

Diphthongs
¹the initial /i/ is also pronounced /j/

²the initual /u/ is also pronounced /w/

Tripthongs
¹the initial /i/ is also pronounced /j/

²the initual /u/ is also pronounced /w/

Cases (which don't inflect the noun, only the particle)
¹also used for time.