YKY-custom-pinyins-NOTES.txt

aai --> ai
aak --> ak
aam --> am
aan --> an
aang --> ang
aap --> ap
aat --> at
aau --> au

// require more thoughts:
deu --> der
geu --> gur
heu --> her
teu --> ter

cheui --> chui
deui --> due
geui --> gue
heui --> hue
jeui --> jui
keui --> kue
leui --> lui
neui --> nui
seui --> sui
teui --> tue
yeui --> yue

cheuk --> cherk
deuk --> derk
geuk --> gue
jeuk --> juk
keuk --> kue
leuk --> lue
seuk --> shue
yeuk --> yue, yerk

cheun --> chun
deun --> dun
jeun --> jun
leun --> lun
seun --> shun
teun --> tun
yeun --> yun

cheut --> chut
deut --> due
jeut --> jue
leut --> lud
seut --> shut, shue

ou --> o
ou --> ol

chyu --> chu
chyun --> chuen
chyut --> chut

dyut --> due
dyun --> duen
gyut --> gue
hyut --> hue
hyun --> huen
jyut --> chut
jyun --> juen
jyu --> juk
kyut --> kue
kyun --> kuen
lyut --> lue
lyun --> luen
nyun --> luen
syut --> shue
syun --> suen
syu --> shu
tyut --> tue