Compare yah with other words:
pah vs. yah
yah vs. yay
bah vs. yah
yah vs. yap
yaf vs. yah
wah vs. yah
ayah vs. yah
lah vs. yah
yah vs. yam
yah vs. yaw
hah vs. yah
yah vs. yeah
yah vs. yak
derive vs. yah
yah vs. you
yah vs. yes