ought
thought, bought, brought, fought, thoughtful,

aught
daughter, caught, naughty,

au
audio, sauna, audience, au, fraud, launch, August, aura, author, cause, authentic, pause, audit, authenticity, Australia, australian, Austrian, automatic,

aw
awe, raw, law, draw, drawing, awkward, prawn, straw, crawl, awful, saw, drawn,

al
talk, walk, call, always, almost, already, fall, falling, hall,

o
on, off, dog, cross, coffee, boss, loss, lost, frost, offer,

a
water,

oa
Broadway, abroad,