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.
Bear Grylls. Edward Michael Bear Grylls (born 7 June 1974) is an Ulster born British adventurer, writer and television presenter. He is widely known for his television series Man vs. Wild (2006â2011), originally titled Born Survivor: Bear Grylls in the United Kingdom. Grylls is also involved in a number of wilderness survival television series in the UK and US. In July 2009, Grylls was appointed the youngest-ever Chief Scout in the UK at age 35.