Hello, I am a French girl and I need some help for my English homeworks.

Find english word with only letters:

C/Z/Y/H/P/A

thank you in advance!
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App - It is an application, especially as downloaded by a user to a mobile device.

Achy - It is suffering from continuous dull pain.

Chap - It is a guy or a fellow. A boy or man who's a friend, acquaintance, or a friendly stranger.

Hazy - It is cover by a haze. Its vague, indistinct, or ill-defined.

Hay - It is grass that has been mown and dried for use as fodder.

Pacy - It is fast or quick moving.

answer: the tobacco industry has traditionally been one of the most important industries in north carolina and a backbone of the state's agricultural heritage. yet as the north carolina economy continues to transition from an agricultural economy to a manufacturing and, increasingly, service-based economy, the industry faces new challenges, both at home and abroad

explanation: