Base Form:
Cost
Simple Past:
Cost
Past Participle:
Cost

Base Form:
Cut
Simple Past:
Cut
Past Participle:
Cut

Base Form:
Hit
Simple Past:
Hit
Past Participle:
Hit

Base Form:
Hurt
Simple Past:
Hurt
Past Participle:
Hurt

Base Form:
Let
Simple Past:
Let
Past Participle:
Let

Base Form:
Put
Simple Past:
Put
Past Participle:
Put

Base Form:
Shut
Simple Past:
Shut
Past Participle:
Shut