The term 'It's Half Due' can be solved by the word UNO, which is a three letter word. UNO is a card game that is popular around the world and is played with a specially-printed deck of cards. The objective of the game is to be the first player to get rid of all their cards. Each player is dealt seven cards, and the remaining cards are placed face down in the center of the table. The top card is then flipped over and placed in the discard pile. Players must match the card in the discard pile either by number, color, or word. The first player to get rid of all their cards wins the game.