Numbers and Letters

Numbers and Letters is a competition that originated in Big Brother 1. It was also used in Big Brother 2.

Rules
In this competition, the host types a combination of letters and numbers which indicate how a Houseguest's answer should be formed in the creation of a word matching that circumstance (for example, TH4 is a 4-letter word beginning with 'TH'). The first person to get 4 correct answers wins the competition.