字母oo,ow,ou的单词归类

oo[u;]
cool noon ballon zoo noodles too room school goose tooth choose soon spoon moon tool kangaroo food mood boot childhood
oo[u]
good book foot look stood wood took hook wool woof
oo[
door floor
o[
do who
ow[ou]
snow yellow slow window know tomorrow low bowl follow blow show row ow[au]
cow flower wow down how now town brown
ou[au]
house mouse mouth sound count about around mountain cloud accountant out sprout sour our bounce loud south arouse aloud
ou[u]
should [u] soup[u:]
ou[
favourite
ou[
country cousin youny。