Only the words that are made up of them do. The individual letters in a word don't mean anything. By themselves, they simply indicate what sound you're supposed to make. For example, the letter s indicates the s sound (which sounds like ssssss).
About Rupert Boneham. Rupert Boneham (born January 27, 1964) is an American mentor for troubled teens, who became known to reality television audiences in 2003 as a contestant on Survivor: Pearl Islands where he placed 8th. He later appeared on the All Stars, Heroes vs. Villains, and Blood vs. Water seasons of Survivor, placing 4th, 6th, and 20th respectively.
A rich old man, Rupert Moncrieff, is beaten to death in the silence of his West Country waterside mansion, his head hooded and his throat cut. His extended family are still living beneath his roof, each with their own room, their own story, their own ghosts, and their own motives for murder.