oe as in shoe.
ou " soup.

For Short O.

a as in was.
ou " hough.
ow " knowledge.

For Long U.

eau as in beauty.
eu " feud.
ew " dew.
ieu " adieu.
ou " your.
ue " cue.
ui " suit.

For Short U.

e as in her.
i " sir.
oe " does.
o " love.
ou " young.

For Short Slender U.

o as in wolf.
ou " would.

For the Diphthong OI.