An open interval is an interval that does not include its end points. The open interval is denoted , although the nonstandard notation is sometimes also used. Croft, H. T.; Falconer, K. J.; and Guy, R. K. Unsolved Problems in Geometry. New York: Springer-Verlag, p. 1, 1991.
Banzai, Shenzi and Ed. Banzai is a Japanese cheer meaning ''Attack''. Shenzi comes from Swahili meaning ''Barbarous'' or ''Savage''. Ed (assuming it originates from the English name ''Edward'') means ''Wealthy Guard''.
Next is S or Sowulo meaning the Sun also associated with the sun goddess Sunna. That concludes the second ett. Tiewaz means the Norse God Tyr, Berkana tradtionally means Birch tree, Ehwaz means horse,Mannaz means Man, Laguz means lake, Inguz is associated with the vanir god Frey, Othala means inherited land Dagaz means day.