Enough, rough.
Tough
The word "through" rhymes with "stew" and ends in -ough.
Dough.
Plough
Rough, tough, enough.
scruff
Dough Though Plough
Breakthrough, clickthrough, feedthrough, readthrough, walkthrough,
Through. Pronounced like threw, but means something like: you can go through this way or something like that.
scruff
caught
enough