in order to memorize a few words created several sentences

1. An incessant (or ongoing) war destroyed many lives and families. (incessant)
2. Soldiers/The military in conjunction with (or alongside) several civilians helped to save disaster victims. (in conjunction)
3. The rebellions obstructed (or blocked) all the main districts of the city. (obstruct)
4. Snakes has a natural habit to shed (or throw off molt) their skins. (shed)
5. We must listen and hear each other otherwise we cause miscommunication bafflement (or confuse). (baffle) We were baffled by his change of actions.

In order to memorize a few words I have created several sentences

1. An incessant (or ongoing) war destroyed many lives and families. (incessant)
2. Soldiers in conjunction with (or alongside) several civil civilians? helped to save disaster victims. (in conjunction)
3. The rebellions obstructed (or blocked) all main districts of the city. (obstruct)
4. A snake has a natural habit to shed (or throw off) their its skins. (shed)
5. We must listen and hear to each other otherwise we cause bafflement (or confuse). (baffle)

in order to memorize a few words created several sentences

1. An incessant (or ongoing) war destroyed many lives and families. (incessant)
2. Soldiers in conjunction with (or alongside) several civilians helped to save disaster victims. (in conjunction)
3. The rebellions obstructed (or blocked) all main districts of city. (obstruct)
4. Snakes have a natural habit to shed (or throw off) their skins. (shed)
5. We must listen and hear each other otherwise we cause bafflement (or confuse). (baffle)

5. The girl was baffled at her brother's impulsive behavior. 

This was really good! I made a few minor corrections. The last sentence could technically be correct but most people don't tend to speak that way. I provided a new sentence that makes a bit more sense using the word baffled. I hope this helps! ^-^