Color
A straight hole,B straight hole,C straight hole,D straight hole,E straight hole,F straight hole,G straight hole,H straight hole,I straight hole,J straight hole,K straight hole,L straight hole,M straight hole,N straight hole,O straight hole,P straight hole,Q straight hole,R straight hole,S straight hole,T straight hole,U straight hole,V straight hole,W straight hole,X straight hole,Y straight hole,Z straight hole,A set of 26 letters with straight holes