汗,4个的真没找到,有下面这些,
too ballyhoo
boogaloo
boozeroo
buckaroo
choochoo
cockatoo
gardyloo
gillaroo
jackaroo
jillaroo
kangaroo
peekaboo
rubbaboo
sockeroo
superloo
vindaloo
walleroo
wanderoo
zoo
baboo
bokoo
zazoo
yahoo
wahoo
taboo
shmoo
napoo
kinoo
kazoo
karoo
igloo
bokoo
bamboo
burgoo
cashoo
coocoo
cuckoo
egoboo
gentoo
googoo
hindoo
hoodoo
koodoo
nardoo
pailoo
puttoo
shapoo
shivoo
shypoo
sissoo
skidoo
tamboo
tattoo
voodoo
wandoo
bugaboo
jigaboo
kerchoo
potoroo
rubaboo
shampoo
skiddoo
ballyhoo
boogaloo
boozeroo
buckaroo
choochoo
cockatoo
gardyloo
gillaroo
jackaroo
jillaroo
kangaroo
peekaboo
rubbaboo
sockeroo
superloo
vindaloo
walleroo
wanderoo
parleyvoo
smackeroo
stinkaroo
swingeroo
twisteroo
hullabaloo
switcheroo
zokumeitoo