Emotional interjections:

aargh
ack
aghh
ahhh
ahem
arg
awww
ayy
blah
bleh
booyah
brrrr
bwahahaha
cripes
cackle
chuckle
dahhh
damn
dayam
doh
drats
duh
eh
eek
err
fehh
gee
golly
good
gosh
great
grrr
ha
huh
haha
hee hee
heh
hehe
hello
hmph
hooah
hrumph
mmmm
moo
nahh
nnnn
o
omm
ohm
ooo
ptooey
ra
rah
shazam
sob
sssss
tee hee
umm
uh huh
weep
whaa
whee
whoa
woohoo
wow
yay
yah
yawn
yo
yowza
zap
zowey
zzzz