o—so, home, both, old
oa—road, soap, oak, toast
oe—toe, hoe, foe, doe
ou, ow—soul, shoulder, know, blow

Words, phrases and sentences:
/əu/ /u:/
nose /nəuz/ lose /lu:z/
boat /bəut/ boot /bu:t/
dome /dəum/ doom /du:m/
pole /pəul/ pool /pu:l/

a narrow road hold the coat grow old
a slow boat hold one’s nose to the grind-stone
window envelope row a boat
Don’t go home alone. You don’t know how lonely the road is.
Don’t throw stones.
He won’t postpone the show.
Joan is combing her golden hair.
Joe and Joan rowed the boat along the coast.