Give the students the first and last letter of a word and get them to write 7 words
S________p - Ship/Shop/Sheep/Sleep/Soap/Soup/Stop
Choose 7 of their best and write them on the board.
Alternatively you could scrap the above and dictate 7 words
1. Ask them to write a paragraph using all 7 words
2. Ask them to write a sentence using 3 of the words