to sign

https://tts.langeek.co/read?text=dG8gc2lnbg&hash=f337d8c415392231d1c11a27fa5ce4d4aae26364&lang=en&cache-only=0&driver=googletts

Here you will find the vocabulary from Unit 5 - 5B in the English Result Intermediate coursebook, such as "permit", "sign", "forbid", etc.