THE ALPHABET OF SPANISH SIGN LANGUAGE (LSE) IN MALLORCA, SPAIN. Spanish Sign Language (LSE) is a sign language used mainly by deaf people in Spain and the people who live with them. Although there are not many reliable statistics, it is estimated that there are over 100,000 speakers, 20-30% of whom use it as a second language. (Unfortunately, my friend forgot to include CH in the alphabet) Here's the alphabet of Spanish Sign Language - A,B,C,CH,D,E,F,G,H,I,J,K,L,LL,M,N, ñ,O,P,Q,R,S,T,U,V,W,X,Y,Z