OK we have all the elements, fire, air, water and earth.I am and you are one of the other 6 pointed stars? 18 you would think perhaps because it's the brightest, but maybe 19 because it fits best with 11 in it's size?
Theese are NOT viking runes. They are an older Rune alphabet, from around year 500 and earlier. They are called the elder futhark. The viking Rune alphabets have usually only 16 runes and there are several different alphabets from that time.